Finding the Fourth Proportional to 10,551.16, 15,826.71 and 3,155.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,551.16 : 15,826.71 = 3,155.62 : x
2. Step 2: Convert to fraction form
   10,551.16/15,826.71 = 3,155.62/x
3. Step 3: Cross multiply
   10,551.16x = 15,826.71 × 3,155.62
4. Step 4: Simplify right side
   10,551.16x = 49,943,082.61
5. Step 5: Solve for x
   x = 49,943,082.61/10,551.16
6. Step 6: Final answer
   x = 4,733.42