Finding the Fourth Proportional to 89,085.16, 122,957.22 and 62,245

Step by Step Solution

1. Step 1: Write the proportion equation
   89,085.16 : 122,957.22 = 62,245 : x
2. Step 2: Convert to fraction form
   89,085.16/122,957.22 = 62,245/x
3. Step 3: Cross multiply
   89,085.16x = 122,957.22 × 62,245
4. Step 4: Simplify right side
   89,085.16x = 7,653,472,158.90
5. Step 5: Solve for x
   x = 7,653,472,158.90/89,085.16
6. Step 6: Final answer
   x = 85,911.86