Finding the Fourth Proportional to 114,424.72, 157,897.50 and 64,114

Step by Step Solution

1. Step 1: Write the proportion equation
   114,424.72 : 157,897.50 = 64,114 : x
2. Step 2: Convert to fraction form
   114,424.72/157,897.50 = 64,114/x
3. Step 3: Cross multiply
   114,424.72x = 157,897.50 × 64,114
4. Step 4: Simplify right side
   114,424.72x = 10,123,440,315
5. Step 5: Solve for x
   x = 10,123,440,315/114,424.72
6. Step 6: Final answer
   x = 88,472.49