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Finding the Fourth Proportional to 65,839.77, 98,769.38 and 19,086.57

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Solution

The fourth proportional to 65,839.77, 98,769.38 and 19,086.57 is: 28,632.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,839.77 : 98,769.38 = 19,086.57 : x
  2. Step 2: Convert to fraction form
    65,839.77/98,769.38 = 19,086.57/x
  3. Step 3: Cross multiply
    65,839.77x = 98,769.38 × 19,086.57
  4. Step 4: Simplify right side
    65,839.77x = 1,885,168,589.79
  5. Step 5: Solve for x
    x = 1,885,168,589.79/65,839.77
  6. Step 6: Final answer
    x = 28,632.67

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