Finding the Fourth Proportional to 10,452.40, 14,424.30 and 5,736.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,452.40 : 14,424.30 = 5,736.72 : x
2. Step 2: Convert to fraction form
   10,452.40/14,424.30 = 5,736.72/x
3. Step 3: Cross multiply
   10,452.40x = 14,424.30 × 5,736.72
4. Step 4: Simplify right side
   10,452.40x = 82,748,170.30
5. Step 5: Solve for x
   x = 82,748,170.30/10,452.40
6. Step 6: Final answer
   x = 7,916.67