Finding the Fourth Proportional to 31,475.88, 43,436.88 and 17,328.73

Step by Step Solution

1. Step 1: Write the proportion equation
   31,475.88 : 43,436.88 = 17,328.73 : x
2. Step 2: Convert to fraction form
   31,475.88/43,436.88 = 17,328.73/x
3. Step 3: Cross multiply
   31,475.88x = 43,436.88 × 17,328.73
4. Step 4: Simplify right side
   31,475.88x = 752,705,965.56
5. Step 5: Solve for x
   x = 752,705,965.56/31,475.88
6. Step 6: Final answer
   x = 23,913.74