Finding the Fourth Proportional to 31,626.27, 43,642.50 and 17,478.18

Step by Step Solution

1. Step 1: Write the proportion equation
   31,626.27 : 43,642.50 = 17,478.18 : x
2. Step 2: Convert to fraction form
   31,626.27/43,642.50 = 17,478.18/x
3. Step 3: Cross multiply
   31,626.27x = 43,642.50 × 17,478.18
4. Step 4: Simplify right side
   31,626.27x = 762,791,470.65
5. Step 5: Solve for x
   x = 762,791,470.65/31,626.27
6. Step 6: Final answer
   x = 24,118.92