Finding the Fourth Proportional to 110,061.57, 165,117.57 and 39,940.89

Step by Step Solution

1. Step 1: Write the proportion equation
   110,061.57 : 165,117.57 = 39,940.89 : x
2. Step 2: Convert to fraction form
   110,061.57/165,117.57 = 39,940.89/x
3. Step 3: Cross multiply
   110,061.57x = 165,117.57 × 39,940.89
4. Step 4: Simplify right side
   110,061.57x = 6,594,942,700.44
5. Step 5: Solve for x
   x = 6,594,942,700.44/110,061.57
6. Step 6: Final answer
   x = 59,920.49