Finding the Fourth Proportional to 9,086.04, 12,540.60 and 5,726.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,086.04 : 12,540.60 = 5,726.52 : x
2. Step 2: Convert to fraction form
   9,086.04/12,540.60 = 5,726.52/x
3. Step 3: Cross multiply
   9,086.04x = 12,540.60 × 5,726.52
4. Step 4: Simplify right side
   9,086.04x = 71,813,996.71
5. Step 5: Solve for x
   x = 71,813,996.71/9,086.04
6. Step 6: Final answer
   x = 7,903.77