Finding the Fourth Proportional to 9,732.72, 13,431.15 and 5,256.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,732.72 : 13,431.15 = 5,256.47 : x
2. Step 2: Convert to fraction form
   9,732.72/13,431.15 = 5,256.47/x
3. Step 3: Cross multiply
   9,732.72x = 13,431.15 × 5,256.47
4. Step 4: Simplify right side
   9,732.72x = 70,600,437.04
5. Step 5: Solve for x
   x = 70,600,437.04/9,732.72
6. Step 6: Final answer
   x = 7,253.93