Finding the Fourth Proportional to 31,258.16, 43,137.48 and 17,111.12

Step by Step Solution

1. Step 1: Write the proportion equation
   31,258.16 : 43,137.48 = 17,111.12 : x
2. Step 2: Convert to fraction form
   31,258.16/43,137.48 = 17,111.12/x
3. Step 3: Cross multiply
   31,258.16x = 43,137.48 × 17,111.12
4. Step 4: Simplify right side
   31,258.16x = 738,130,596.78
5. Step 5: Solve for x
   x = 738,130,596.78/31,258.16
6. Step 6: Final answer
   x = 23,614.01