Finding the Fourth Proportional to 102,321.72, 141,204.22 and 59,309.52

Step by Step Solution

1. Step 1: Write the proportion equation
   102,321.72 : 141,204.22 = 59,309.52 : x
2. Step 2: Convert to fraction form
   102,321.72/141,204.22 = 59,309.52/x
3. Step 3: Cross multiply
   102,321.72x = 141,204.22 × 59,309.52
4. Step 4: Simplify right side
   102,321.72x = 8,374,754,510.17
5. Step 5: Solve for x
   x = 8,374,754,510.17/102,321.72
6. Step 6: Final answer
   x = 81,847.28