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Finding the Fourth Proportional to 286,602.93, 429,905.42 and 86,925.05

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Solution

The fourth proportional to 286,602.93, 429,905.42 and 86,925.05 is: 130,387.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,602.93 : 429,905.42 = 86,925.05 : x
  2. Step 2: Convert to fraction form
    286,602.93/429,905.42 = 86,925.05/x
  3. Step 3: Cross multiply
    286,602.93x = 429,905.42 × 86,925.05
  4. Step 4: Simplify right side
    286,602.93x = 37,369,549,971.69
  5. Step 5: Solve for x
    x = 37,369,549,971.69/286,602.93
  6. Step 6: Final answer
    x = 130,387.88

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