Finding the Fourth Proportional to 10,551.30, 15,825.72 and 2,760.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,551.30 : 15,825.72 = 2,760.72 : x
2. Step 2: Convert to fraction form
   10,551.30/15,825.72 = 2,760.72/x
3. Step 3: Cross multiply
   10,551.30x = 15,825.72 × 2,760.72
4. Step 4: Simplify right side
   10,551.30x = 43,690,381.72
5. Step 5: Solve for x
   x = 43,690,381.72/10,551.30
6. Step 6: Final answer
   x = 4,140.76