Finding the Fourth Proportional to 31,498.88, 43,467.90 and 17,351.60

Step by Step Solution

1. Step 1: Write the proportion equation
   31,498.88 : 43,467.90 = 17,351.60 : x
2. Step 2: Convert to fraction form
   31,498.88/43,467.90 = 17,351.60/x
3. Step 3: Cross multiply
   31,498.88x = 43,467.90 × 17,351.60
4. Step 4: Simplify right side
   31,498.88x = 754,237,613.64
5. Step 5: Solve for x
   x = 754,237,613.64/31,498.88
6. Step 6: Final answer
   x = 23,944.90