Finding the Fourth Proportional to 9,343.72, 12,896.58 and 5,617

Step by Step Solution

1. Step 1: Write the proportion equation
   9,343.72 : 12,896.58 = 5,617 : x
2. Step 2: Convert to fraction form
   9,343.72/12,896.58 = 5,617/x
3. Step 3: Cross multiply
   9,343.72x = 12,896.58 × 5,617
4. Step 4: Simplify right side
   9,343.72x = 72,440,089.86
5. Step 5: Solve for x
   x = 72,440,089.86/9,343.72
6. Step 6: Final answer
   x = 7,752.81