Finding the Fourth Proportional to 108,726.50, 150,042.17 and 60,980.04

Step by Step Solution

1. Step 1: Write the proportion equation
   108,726.50 : 150,042.17 = 60,980.04 : x
2. Step 2: Convert to fraction form
   108,726.50/150,042.17 = 60,980.04/x
3. Step 3: Cross multiply
   108,726.50x = 150,042.17 × 60,980.04
4. Step 4: Simplify right side
   108,726.50x = 9,149,577,680.74
5. Step 5: Solve for x
   x = 9,149,577,680.74/108,726.50
6. Step 6: Final answer
   x = 84,152.23