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Finding the Fourth Proportional to 98,627.40, 147,941.10 and 28,513.80

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Solution

The fourth proportional to 98,627.40, 147,941.10 and 28,513.80 is: 42,770.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,627.40 : 147,941.10 = 28,513.80 : x
  2. Step 2: Convert to fraction form
    98,627.40/147,941.10 = 28,513.80/x
  3. Step 3: Cross multiply
    98,627.40x = 147,941.10 × 28,513.80
  4. Step 4: Simplify right side
    98,627.40x = 4,218,362,937.18
  5. Step 5: Solve for x
    x = 4,218,362,937.18/98,627.40
  6. Step 6: Final answer
    x = 42,770.70

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