Finding the Fourth Proportional to 114,080.04, 171,269.10 and 91,602.72

Step by Step Solution

1. Step 1: Write the proportion equation
   114,080.04 : 171,269.10 = 91,602.72 : x
2. Step 2: Convert to fraction form
   114,080.04/171,269.10 = 91,602.72/x
3. Step 3: Cross multiply
   114,080.04x = 171,269.10 × 91,602.72
4. Step 4: Simplify right side
   114,080.04x = 15,688,715,411.95
5. Step 5: Solve for x
   x = 15,688,715,411.95/114,080.04
6. Step 6: Final answer
   x = 137,523.75