Finding the Fourth Proportional to 102,572.42, 141,380.52 and 68,568.50

Step by Step Solution

1. Step 1: Write the proportion equation
   102,572.42 : 141,380.52 = 68,568.50 : x
2. Step 2: Convert to fraction form
   102,572.42/141,380.52 = 68,568.50/x
3. Step 3: Cross multiply
   102,572.42x = 141,380.52 × 68,568.50
4. Step 4: Simplify right side
   102,572.42x = 9,694,249,478.72
5. Step 5: Solve for x
   x = 9,694,249,478.72/102,572.42
6. Step 6: Final answer
   x = 94,511.27