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Finding the Fourth Proportional to 86,984.64, 130,527.18 and 47,003.76

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Solution

The fourth proportional to 86,984.64, 130,527.18 and 47,003.76 is: 70,532.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,984.64 : 130,527.18 = 47,003.76 : x
  2. Step 2: Convert to fraction form
    86,984.64/130,527.18 = 47,003.76/x
  3. Step 3: Cross multiply
    86,984.64x = 130,527.18 × 47,003.76
  4. Step 4: Simplify right side
    86,984.64x = 6,135,268,242.20
  5. Step 5: Solve for x
    x = 6,135,268,242.20/86,984.64
  6. Step 6: Final answer
    x = 70,532.78

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