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Finding the Fourth Proportional to 124,803.92, 187,015.40 and 74,103.12

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Solution

The fourth proportional to 124,803.92, 187,015.40 and 74,103.12 is: 111,041.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,803.92 : 187,015.40 = 74,103.12 : x
  2. Step 2: Convert to fraction form
    124,803.92/187,015.40 = 74,103.12/x
  3. Step 3: Cross multiply
    124,803.92x = 187,015.40 × 74,103.12
  4. Step 4: Simplify right side
    124,803.92x = 13,858,424,628.05
  5. Step 5: Solve for x
    x = 13,858,424,628.05/124,803.92
  6. Step 6: Final answer
    x = 111,041.58

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