Finding the Fourth Proportional to 127,700.91, 176,231.91 and 79,329.50

Step by Step Solution

1. Step 1: Write the proportion equation
   127,700.91 : 176,231.91 = 79,329.50 : x
2. Step 2: Convert to fraction form
   127,700.91/176,231.91 = 79,329.50/x
3. Step 3: Cross multiply
   127,700.91x = 176,231.91 × 79,329.50
4. Step 4: Simplify right side
   127,700.91x = 13,980,388,423.19
5. Step 5: Solve for x
   x = 13,980,388,423.19/127,700.91
6. Step 6: Final answer
   x = 109,477.59