Finding the Fourth Proportional to 32,831.26, 45,175.90 and 31,912.72

Step by Step Solution

1. Step 1: Write the proportion equation
   32,831.26 : 45,175.90 = 31,912.72 : x
2. Step 2: Convert to fraction form
   32,831.26/45,175.90 = 31,912.72/x
3. Step 3: Cross multiply
   32,831.26x = 45,175.90 × 31,912.72
4. Step 4: Simplify right side
   32,831.26x = 1,441,685,847.45
5. Step 5: Solve for x
   x = 1,441,685,847.45/32,831.26
6. Step 6: Final answer
   x = 43,911.99