Finding the Fourth Proportional to 89,098.38, 122,887.53 and 65,216.34

Step by Step Solution

1. Step 1: Write the proportion equation
   89,098.38 : 122,887.53 = 65,216.34 : x
2. Step 2: Convert to fraction form
   89,098.38/122,887.53 = 65,216.34/x
3. Step 3: Cross multiply
   89,098.38x = 122,887.53 × 65,216.34
4. Step 4: Simplify right side
   89,098.38x = 8,014,274,938.24
5. Step 5: Solve for x
   x = 8,014,274,938.24/89,098.38
6. Step 6: Final answer
   x = 89,948.60