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Finding the Fourth Proportional to 99,041.19, 148,572.20 and 28,920.70

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Solution

The fourth proportional to 99,041.19, 148,572.20 and 28,920.70 is: 43,384.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,041.19 : 148,572.20 = 28,920.70 : x
  2. Step 2: Convert to fraction form
    99,041.19/148,572.20 = 28,920.70/x
  3. Step 3: Cross multiply
    99,041.19x = 148,572.20 × 28,920.70
  4. Step 4: Simplify right side
    99,041.19x = 4,296,812,024.54
  5. Step 5: Solve for x
    x = 4,296,812,024.54/99,041.19
  6. Step 6: Final answer
    x = 43,384.09

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