Finding the Fourth Proportional to 114,150.24, 157,516.56 and 66,402.72

Step by Step Solution

1. Step 1: Write the proportion equation
   114,150.24 : 157,516.56 = 66,402.72 : x
2. Step 2: Convert to fraction form
   114,150.24/157,516.56 = 66,402.72/x
3. Step 3: Cross multiply
   114,150.24x = 157,516.56 × 66,402.72
4. Step 4: Simplify right side
   114,150.24x = 10,459,528,029.04
5. Step 5: Solve for x
   x = 10,459,528,029.04/114,150.24
6. Step 6: Final answer
   x = 91,629.49