Finding the Fourth Proportional to 31,468.64, 43,426.38 and 17,321.18

Step by Step Solution

1. Step 1: Write the proportion equation
   31,468.64 : 43,426.38 = 17,321.18 : x
2. Step 2: Convert to fraction form
   31,468.64/43,426.38 = 17,321.18/x
3. Step 3: Cross multiply
   31,468.64x = 43,426.38 × 17,321.18
4. Step 4: Simplify right side
   31,468.64x = 752,196,144.73
5. Step 5: Solve for x
   x = 752,196,144.73/31,468.64
6. Step 6: Final answer
   x = 23,903.04