Finding the Fourth Proportional to 9,155.31, 13,733.01 and 2,581.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,155.31 : 13,733.01 = 2,581.56 : x
2. Step 2: Convert to fraction form
   9,155.31/13,733.01 = 2,581.56/x
3. Step 3: Cross multiply
   9,155.31x = 13,733.01 × 2,581.56
4. Step 4: Simplify right side
   9,155.31x = 35,452,589.30
5. Step 5: Solve for x
   x = 35,452,589.30/9,155.31
6. Step 6: Final answer
   x = 3,872.35