Finding the Fourth Proportional to 31,580.34, 43,580.82 and 17,433.15

Step by Step Solution

1. Step 1: Write the proportion equation
   31,580.34 : 43,580.82 = 17,433.15 : x
2. Step 2: Convert to fraction form
   31,580.34/43,580.82 = 17,433.15/x
3. Step 3: Cross multiply
   31,580.34x = 43,580.82 × 17,433.15
4. Step 4: Simplify right side
   31,580.34x = 759,750,754.28
5. Step 5: Solve for x
   x = 759,750,754.28/31,580.34
6. Step 6: Final answer
   x = 24,057.72