Finding the Fourth Proportional to 10,536.24, 15,807.16 and 3,140.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,536.24 : 15,807.16 = 3,140.72 : x
2. Step 2: Convert to fraction form
   10,536.24/15,807.16 = 3,140.72/x
3. Step 3: Cross multiply
   10,536.24x = 15,807.16 × 3,140.72
4. Step 4: Simplify right side
   10,536.24x = 49,645,863.56
5. Step 5: Solve for x
   x = 49,645,863.56/10,536.24
6. Step 6: Final answer
   x = 4,711.91