Finding the Fourth Proportional to 108,662.18, 149,985.08 and 65,634.82

Step by Step Solution

1. Step 1: Write the proportion equation
   108,662.18 : 149,985.08 = 65,634.82 : x
2. Step 2: Convert to fraction form
   108,662.18/149,985.08 = 65,634.82/x
3. Step 3: Cross multiply
   108,662.18x = 149,985.08 × 65,634.82
4. Step 4: Simplify right side
   108,662.18x = 9,844,243,728.49
5. Step 5: Solve for x
   x = 9,844,243,728.49/108,662.18
6. Step 6: Final answer
   x = 90,594.94