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Finding the Fourth Proportional to 286,698.54, 395,654.14 and 157,646.84

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Solution

The fourth proportional to 286,698.54, 395,654.14 and 157,646.84 is: 217,558.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,698.54 : 395,654.14 = 157,646.84 : x
  2. Step 2: Convert to fraction form
    286,698.54/395,654.14 = 157,646.84/x
  3. Step 3: Cross multiply
    286,698.54x = 395,654.14 × 157,646.84
  4. Step 4: Simplify right side
    286,698.54x = 62,373,623,959.45
  5. Step 5: Solve for x
    x = 62,373,623,959.45/286,698.54
  6. Step 6: Final answer
    x = 217,558.22

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