Finding the Fourth Proportional to 31,474.26, 43,435.71 and 17,328.42

Step by Step Solution

1. Step 1: Write the proportion equation
   31,474.26 : 43,435.71 = 17,328.42 : x
2. Step 2: Convert to fraction form
   31,474.26/43,435.71 = 17,328.42/x
3. Step 3: Cross multiply
   31,474.26x = 43,435.71 × 17,328.42
4. Step 4: Simplify right side
   31,474.26x = 752,672,225.88
5. Step 5: Solve for x
   x = 752,672,225.88/31,474.26
6. Step 6: Final answer
   x = 23,913.90