Finding the Fourth Proportional to 31,874.96, 43,986.56 and 17,728.32

Step by Step Solution

1. Step 1: Write the proportion equation
   31,874.96 : 43,986.56 = 17,728.32 : x
2. Step 2: Convert to fraction form
   31,874.96/43,986.56 = 17,728.32/x
3. Step 3: Cross multiply
   31,874.96x = 43,986.56 × 17,728.32
4. Step 4: Simplify right side
   31,874.96x = 779,807,811.38
5. Step 5: Solve for x
   x = 779,807,811.38/31,874.96
6. Step 6: Final answer
   x = 24,464.59