Finding the Fourth Proportional to 9,150.59, 13,726.41 and 2,577.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,150.59 : 13,726.41 = 2,577.31 : x
2. Step 2: Convert to fraction form
   9,150.59/13,726.41 = 2,577.31/x
3. Step 3: Cross multiply
   9,150.59x = 13,726.41 × 2,577.31
4. Step 4: Simplify right side
   9,150.59x = 35,377,213.76
5. Step 5: Solve for x
   x = 35,377,213.76/9,150.59
6. Step 6: Final answer
   x = 3,866.11