Finding the Fourth Proportional to 31,626.12, 43,641.42 and 17,478.96

Step by Step Solution

1. Step 1: Write the proportion equation
   31,626.12 : 43,641.42 = 17,478.96 : x
2. Step 2: Convert to fraction form
   31,626.12/43,641.42 = 17,478.96/x
3. Step 3: Cross multiply
   31,626.12x = 43,641.42 × 17,478.96
4. Step 4: Simplify right side
   31,626.12x = 762,806,634.52
5. Step 5: Solve for x
   x = 762,806,634.52/31,626.12
6. Step 6: Final answer
   x = 24,119.51