Finding the Fourth Proportional to 31,587.48, 43,591.46 and 17,440.61

Step by Step Solution

1. Step 1: Write the proportion equation
   31,587.48 : 43,591.46 = 17,440.61 : x
2. Step 2: Convert to fraction form
   31,587.48/43,591.46 = 17,440.61/x
3. Step 3: Cross multiply
   31,587.48x = 43,591.46 × 17,440.61
4. Step 4: Simplify right side
   31,587.48x = 760,261,348.03
5. Step 5: Solve for x
   x = 760,261,348.03/31,587.48
6. Step 6: Final answer
   x = 24,068.44