Finding the Fourth Proportional to 31,874.52, 43,986.06 and 18,443.91

Step by Step Solution

1. Step 1: Write the proportion equation
   31,874.52 : 43,986.06 = 18,443.91 : x
2. Step 2: Convert to fraction form
   31,874.52/43,986.06 = 18,443.91/x
3. Step 3: Cross multiply
   31,874.52x = 43,986.06 × 18,443.91
4. Step 4: Simplify right side
   31,874.52x = 811,274,931.89
5. Step 5: Solve for x
   x = 811,274,931.89/31,874.52
6. Step 6: Final answer
   x = 25,452.15