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Finding the Fourth Proportional to 82,897.40, 124,346.10 and 57,965.60

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Solution

The fourth proportional to 82,897.40, 124,346.10 and 57,965.60 is: 86,948.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,897.40 : 124,346.10 = 57,965.60 : x
  2. Step 2: Convert to fraction form
    82,897.40/124,346.10 = 57,965.60/x
  3. Step 3: Cross multiply
    82,897.40x = 124,346.10 × 57,965.60
  4. Step 4: Simplify right side
    82,897.40x = 7,207,796,294.16
  5. Step 5: Solve for x
    x = 7,207,796,294.16/82,897.40
  6. Step 6: Final answer
    x = 86,948.40

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