Finding the Fourth Proportional to 31,419.50, 43,358.59 and 17,079.26

Step by Step Solution

1. Step 1: Write the proportion equation
   31,419.50 : 43,358.59 = 17,079.26 : x
2. Step 2: Convert to fraction form
   31,419.50/43,358.59 = 17,079.26/x
3. Step 3: Cross multiply
   31,419.50x = 43,358.59 × 17,079.26
4. Step 4: Simplify right side
   31,419.50x = 740,532,436.40
5. Step 5: Solve for x
   x = 740,532,436.40/31,419.50
6. Step 6: Final answer
   x = 23,569.20