Finding the Fourth Proportional to 10,108.80, 15,159.96 and 3,694.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,108.80 : 15,159.96 = 3,694.31 : x
2. Step 2: Convert to fraction form
   10,108.80/15,159.96 = 3,694.31/x
3. Step 3: Cross multiply
   10,108.80x = 15,159.96 × 3,694.31
4. Step 4: Simplify right side
   10,108.80x = 56,005,572.88
5. Step 5: Solve for x
   x = 56,005,572.88/10,108.80
6. Step 6: Final answer
   x = 5,540.28