Finding the Fourth Proportional to 31,475.39, 43,436.20 and 17,328.23

Step by Step Solution

1. Step 1: Write the proportion equation
   31,475.39 : 43,436.20 = 17,328.23 : x
2. Step 2: Convert to fraction form
   31,475.39/43,436.20 = 17,328.23/x
3. Step 3: Cross multiply
   31,475.39x = 43,436.20 × 17,328.23
4. Step 4: Simplify right side
   31,475.39x = 752,672,160.10
5. Step 5: Solve for x
   x = 752,672,160.10/31,475.39
6. Step 6: Final answer
   x = 23,913.04