Finding the Fourth Proportional to 31,651.56, 43,680.06 and 17,505.72

Step by Step Solution

1. Step 1: Write the proportion equation
   31,651.56 : 43,680.06 = 17,505.72 : x
2. Step 2: Convert to fraction form
   31,651.56/43,680.06 = 17,505.72/x
3. Step 3: Cross multiply
   31,651.56x = 43,680.06 × 17,505.72
4. Step 4: Simplify right side
   31,651.56x = 764,650,899.94
5. Step 5: Solve for x
   x = 764,650,899.94/31,651.56
6. Step 6: Final answer
   x = 24,158.40