Finding the Fourth Proportional to 31,978.79, 44,132.09 and 17,831.63

Step by Step Solution

1. Step 1: Write the proportion equation
   31,978.79 : 44,132.09 = 17,831.63 : x
2. Step 2: Convert to fraction form
   31,978.79/44,132.09 = 17,831.63/x
3. Step 3: Cross multiply
   31,978.79x = 44,132.09 × 17,831.63
4. Step 4: Simplify right side
   31,978.79x = 786,946,790.19
5. Step 5: Solve for x
   x = 786,946,790.19/31,978.79
6. Step 6: Final answer
   x = 24,608.40