Finding the Fourth Proportional to 31,168.55, 43,007.58 and 17,740.04

Step by Step Solution

1. Step 1: Write the proportion equation
   31,168.55 : 43,007.58 = 17,740.04 : x
2. Step 2: Convert to fraction form
   31,168.55/43,007.58 = 17,740.04/x
3. Step 3: Cross multiply
   31,168.55x = 43,007.58 × 17,740.04
4. Step 4: Simplify right side
   31,168.55x = 762,955,974.47
5. Step 5: Solve for x
   x = 762,955,974.47/31,168.55
6. Step 6: Final answer
   x = 24,478.39