Finding the Fourth Proportional to 71,916.05, 99,179.71 and 45,061.52

Step by Step Solution

1. Step 1: Write the proportion equation
   71,916.05 : 99,179.71 = 45,061.52 : x
2. Step 2: Convert to fraction form
   71,916.05/99,179.71 = 45,061.52/x
3. Step 3: Cross multiply
   71,916.05x = 99,179.71 × 45,061.52
4. Step 4: Simplify right side
   71,916.05x = 4,469,187,877.21
5. Step 5: Solve for x
   x = 4,469,187,877.21/71,916.05
6. Step 6: Final answer
   x = 62,144.51