Finding the Fourth Proportional to 12,831.48, 17,707.31 and 7,525.27

Step by Step Solution

1. Step 1: Write the proportion equation
   12,831.48 : 17,707.31 = 7,525.27 : x
2. Step 2: Convert to fraction form
   12,831.48/17,707.31 = 7,525.27/x
3. Step 3: Cross multiply
   12,831.48x = 17,707.31 × 7,525.27
4. Step 4: Simplify right side
   12,831.48x = 133,252,301.45
5. Step 5: Solve for x
   x = 133,252,301.45/12,831.48
6. Step 6: Final answer
   x = 10,384.80