Finding the Fourth Proportional to 31,519.59, 43,498.98 and 17,372.40

Step by Step Solution

1. Step 1: Write the proportion equation
   31,519.59 : 43,498.98 = 17,372.40 : x
2. Step 2: Convert to fraction form
   31,519.59/43,498.98 = 17,372.40/x
3. Step 3: Cross multiply
   31,519.59x = 43,498.98 × 17,372.40
4. Step 4: Simplify right side
   31,519.59x = 755,681,680.15
5. Step 5: Solve for x
   x = 755,681,680.15/31,519.59
6. Step 6: Final answer
   x = 23,974.98