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Finding the Fourth Proportional to 78,248.99, 107,966.99 and 46,428.23

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Solution

The fourth proportional to 78,248.99, 107,966.99 and 46,428.23 is: 64,061.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,248.99 : 107,966.99 = 46,428.23 : x
  2. Step 2: Convert to fraction form
    78,248.99/107,966.99 = 46,428.23/x
  3. Step 3: Cross multiply
    78,248.99x = 107,966.99 × 46,428.23
  4. Step 4: Simplify right side
    78,248.99x = 5,012,716,011.99
  5. Step 5: Solve for x
    x = 5,012,716,011.99/78,248.99
  6. Step 6: Final answer
    x = 64,061.10

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