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Finding the Fourth Proportional to 124,428.40, 186,642.60 and 92,935.60

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Solution

The fourth proportional to 124,428.40, 186,642.60 and 92,935.60 is: 139,403.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,428.40 : 186,642.60 = 92,935.60 : x
  2. Step 2: Convert to fraction form
    124,428.40/186,642.60 = 92,935.60/x
  3. Step 3: Cross multiply
    124,428.40x = 186,642.60 × 92,935.60
  4. Step 4: Simplify right side
    124,428.40x = 17,345,742,016.56
  5. Step 5: Solve for x
    x = 17,345,742,016.56/124,428.40
  6. Step 6: Final answer
    x = 139,403.40

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