Finding the Fourth Proportional to 108,561.33, 149,887.77 and 67,787.55

Step by Step Solution

1. Step 1: Write the proportion equation
   108,561.33 : 149,887.77 = 67,787.55 : x
2. Step 2: Convert to fraction form
   108,561.33/149,887.77 = 67,787.55/x
3. Step 3: Cross multiply
   108,561.33x = 149,887.77 × 67,787.55
4. Step 4: Simplify right side
   108,561.33x = 10,160,524,703.26
5. Step 5: Solve for x
   x = 10,160,524,703.26/108,561.33
6. Step 6: Final answer
   x = 93,592.49