Finding the Fourth Proportional to 108,505.25, 149,776.55 and 88,327.10

Step by Step Solution

1. Step 1: Write the proportion equation
   108,505.25 : 149,776.55 = 88,327.10 : x
2. Step 2: Convert to fraction form
   108,505.25/149,776.55 = 88,327.10/x
3. Step 3: Cross multiply
   108,505.25x = 149,776.55 × 88,327.10
4. Step 4: Simplify right side
   108,505.25x = 13,229,328,809.80
5. Step 5: Solve for x
   x = 13,229,328,809.80/108,505.25
6. Step 6: Final answer
   x = 121,923.40