Finding the Fourth Proportional to 108,555.61, 149,789.33 and 60,810.97

Step by Step Solution

1. Step 1: Write the proportion equation
   108,555.61 : 149,789.33 = 60,810.97 : x
2. Step 2: Convert to fraction form
   108,555.61/149,789.33 = 60,810.97/x
3. Step 3: Cross multiply
   108,555.61x = 149,789.33 × 60,810.97
4. Step 4: Simplify right side
   108,555.61x = 9,108,834,148.90
5. Step 5: Solve for x
   x = 9,108,834,148.90/108,555.61
6. Step 6: Final answer
   x = 83,909.38