Finding the Fourth Proportional to 89,552.90, 123,452.42 and 62,611.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,552.90 : 123,452.42 = 62,611.50 : x
2. Step 2: Convert to fraction form
   89,552.90/123,452.42 = 62,611.50/x
3. Step 3: Cross multiply
   89,552.90x = 123,452.42 × 62,611.50
4. Step 4: Simplify right side
   89,552.90x = 7,729,541,194.83
5. Step 5: Solve for x
   x = 7,729,541,194.83/89,552.90
6. Step 6: Final answer
   x = 86,312.57