Finding the Fourth Proportional to 31,443.24, 43,390.81 and 17,296.10

Step by Step Solution

1. Step 1: Write the proportion equation
   31,443.24 : 43,390.81 = 17,296.10 : x
2. Step 2: Convert to fraction form
   31,443.24/43,390.81 = 17,296.10/x
3. Step 3: Cross multiply
   31,443.24x = 43,390.81 × 17,296.10
4. Step 4: Simplify right side
   31,443.24x = 750,491,788.84
5. Step 5: Solve for x
   x = 750,491,788.84/31,443.24
6. Step 6: Final answer
   x = 23,868.14