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Finding the Fourth Proportional to 76,333.16, 105,338.40 and 42,799.16

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Solution

The fourth proportional to 76,333.16, 105,338.40 and 42,799.16 is: 59,062.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,333.16 : 105,338.40 = 42,799.16 : x
  2. Step 2: Convert to fraction form
    76,333.16/105,338.40 = 42,799.16/x
  3. Step 3: Cross multiply
    76,333.16x = 105,338.40 × 42,799.16
  4. Step 4: Simplify right side
    76,333.16x = 4,508,395,035.74
  5. Step 5: Solve for x
    x = 4,508,395,035.74/76,333.16
  6. Step 6: Final answer
    x = 59,062.08

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