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Finding the Fourth Proportional to 65,722.65, 98,606.93 and 20,750.99

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Solution

The fourth proportional to 65,722.65, 98,606.93 and 20,750.99 is: 31,133.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,722.65 : 98,606.93 = 20,750.99 : x
  2. Step 2: Convert to fraction form
    65,722.65/98,606.93 = 20,750.99/x
  3. Step 3: Cross multiply
    65,722.65x = 98,606.93 × 20,750.99
  4. Step 4: Simplify right side
    65,722.65x = 2,046,190,967.48
  5. Step 5: Solve for x
    x = 2,046,190,967.48/65,722.65
  6. Step 6: Final answer
    x = 31,133.72

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