Finding the Fourth Proportional to 105,573.30, 145,683.27 and 60,250.02

Step by Step Solution

1. Step 1: Write the proportion equation
   105,573.30 : 145,683.27 = 60,250.02 : x
2. Step 2: Convert to fraction form
   105,573.30/145,683.27 = 60,250.02/x
3. Step 3: Cross multiply
   105,573.30x = 145,683.27 × 60,250.02
4. Step 4: Simplify right side
   105,573.30x = 8,777,419,931.17
5. Step 5: Solve for x
   x = 8,777,419,931.17/105,573.30
6. Step 6: Final answer
   x = 83,140.53