Finding the Fourth Proportional to 31,517.58, 43,494.12 and 17,178.24

Step by Step Solution

1. Step 1: Write the proportion equation
   31,517.58 : 43,494.12 = 17,178.24 : x
2. Step 2: Convert to fraction form
   31,517.58/43,494.12 = 17,178.24/x
3. Step 3: Cross multiply
   31,517.58x = 43,494.12 × 17,178.24
4. Step 4: Simplify right side
   31,517.58x = 747,152,431.95
5. Step 5: Solve for x
   x = 747,152,431.95/31,517.58
6. Step 6: Final answer
   x = 23,705.89