Finding the Fourth Proportional to 9,174.31, 12,659.83 and 5,397.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,174.31 : 12,659.83 = 5,397.62 : x
2. Step 2: Convert to fraction form
   9,174.31/12,659.83 = 5,397.62/x
3. Step 3: Cross multiply
   9,174.31x = 12,659.83 × 5,397.62
4. Step 4: Simplify right side
   9,174.31x = 68,332,874.81
5. Step 5: Solve for x
   x = 68,332,874.81/9,174.31
6. Step 6: Final answer
   x = 7,448.29