Finding the Fourth Proportional to 31,171.46, 43,015.37 and 17,559.18

Step by Step Solution

1. Step 1: Write the proportion equation
   31,171.46 : 43,015.37 = 17,559.18 : x
2. Step 2: Convert to fraction form
   31,171.46/43,015.37 = 17,559.18/x
3. Step 3: Cross multiply
   31,171.46x = 43,015.37 × 17,559.18
4. Step 4: Simplify right side
   31,171.46x = 755,314,536.80
5. Step 5: Solve for x
   x = 755,314,536.80/31,171.46
6. Step 6: Final answer
   x = 24,230.97