Finding the Fourth Proportional to 105,132.02, 145,060.53 and 60,411.38

Step by Step Solution

1. Step 1: Write the proportion equation
   105,132.02 : 145,060.53 = 60,411.38 : x
2. Step 2: Convert to fraction form
   105,132.02/145,060.53 = 60,411.38/x
3. Step 3: Cross multiply
   105,132.02x = 145,060.53 × 60,411.38
4. Step 4: Simplify right side
   105,132.02x = 8,763,306,800.83
5. Step 5: Solve for x
   x = 8,763,306,800.83/105,132.02
6. Step 6: Final answer
   x = 83,355.26