Finding the Fourth Proportional to 127,666.13, 176,184.72 and 71,077.50

Step by Step Solution

1. Step 1: Write the proportion equation
   127,666.13 : 176,184.72 = 71,077.50 : x
2. Step 2: Convert to fraction form
   127,666.13/176,184.72 = 71,077.50/x
3. Step 3: Cross multiply
   127,666.13x = 176,184.72 × 71,077.50
4. Step 4: Simplify right side
   127,666.13x = 12,522,769,435.80
5. Step 5: Solve for x
   x = 12,522,769,435.80/127,666.13
6. Step 6: Final answer
   x = 98,089.99