Finding the Fourth Proportional to 114,429, 157,912.02 and 64,144.20

Step by Step Solution

1. Step 1: Write the proportion equation
   114,429 : 157,912.02 = 64,144.20 : x
2. Step 2: Convert to fraction form
   114,429/157,912.02 = 64,144.20/x
3. Step 3: Cross multiply
   114,429x = 157,912.02 × 64,144.20
4. Step 4: Simplify right side
   114,429x = 10,129,140,193.28
5. Step 5: Solve for x
   x = 10,129,140,193.28/114,429
6. Step 6: Final answer
   x = 88,519.00