Finding the Fourth Proportional to 102,401.55, 141,272.71 and 62,100.61

Step by Step Solution

1. Step 1: Write the proportion equation
   102,401.55 : 141,272.71 = 62,100.61 : x
2. Step 2: Convert to fraction form
   102,401.55/141,272.71 = 62,100.61/x
3. Step 3: Cross multiply
   102,401.55x = 141,272.71 × 62,100.61
4. Step 4: Simplify right side
   102,401.55x = 8,773,120,958.92
5. Step 5: Solve for x
   x = 8,773,120,958.92/102,401.55
6. Step 6: Final answer
   x = 85,673.71