Finding the Fourth Proportional to 89,902.25, 124,111.73 and 65,676

Step by Step Solution

1. Step 1: Write the proportion equation
   89,902.25 : 124,111.73 = 65,676 : x
2. Step 2: Convert to fraction form
   89,902.25/124,111.73 = 65,676/x
3. Step 3: Cross multiply
   89,902.25x = 124,111.73 × 65,676
4. Step 4: Simplify right side
   89,902.25x = 8,151,161,651.10
5. Step 5: Solve for x
   x = 8,151,161,651.10/89,902.25
6. Step 6: Final answer
   x = 90,666.94