Finding the Fourth Proportional to 31,706.72, 43,753.36 and 17,558.72

Step by Step Solution

1. Step 1: Write the proportion equation
   31,706.72 : 43,753.36 = 17,558.72 : x
2. Step 2: Convert to fraction form
   31,706.72/43,753.36 = 17,558.72/x
3. Step 3: Cross multiply
   31,706.72x = 43,753.36 × 17,558.72
4. Step 4: Simplify right side
   31,706.72x = 768,252,997.30
5. Step 5: Solve for x
   x = 768,252,997.30/31,706.72
6. Step 6: Final answer
   x = 24,229.97