Finding the Fourth Proportional to 102,608.90, 141,589.50 and 59,579.98

Step by Step Solution

1. Step 1: Write the proportion equation
   102,608.90 : 141,589.50 = 59,579.98 : x
2. Step 2: Convert to fraction form
   102,608.90/141,589.50 = 59,579.98/x
3. Step 3: Cross multiply
   102,608.90x = 141,589.50 × 59,579.98
4. Step 4: Simplify right side
   102,608.90x = 8,435,899,280.31
5. Step 5: Solve for x
   x = 8,435,899,280.31/102,608.90
6. Step 6: Final answer
   x = 82,214.11