Finding the Fourth Proportional to 9,155.69, 13,733.50 and 2,581.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,155.69 : 13,733.50 = 2,581.86 : x
2. Step 2: Convert to fraction form
   9,155.69/13,733.50 = 2,581.86/x
3. Step 3: Cross multiply
   9,155.69x = 13,733.50 × 2,581.86
4. Step 4: Simplify right side
   9,155.69x = 35,457,974.31
5. Step 5: Solve for x
   x = 35,457,974.31/9,155.69
6. Step 6: Final answer
   x = 3,872.78