Finding the Fourth Proportional to 105,737.49, 145,925.46 and 60,414.50

Step by Step Solution

1. Step 1: Write the proportion equation
   105,737.49 : 145,925.46 = 60,414.50 : x
2. Step 2: Convert to fraction form
   105,737.49/145,925.46 = 60,414.50/x
3. Step 3: Cross multiply
   105,737.49x = 145,925.46 × 60,414.50
4. Step 4: Simplify right side
   105,737.49x = 8,816,013,703.17
5. Step 5: Solve for x
   x = 8,816,013,703.17/105,737.49
6. Step 6: Final answer
   x = 83,376.42