Finding the Fourth Proportional to 31,646.18, 43,672.60 and 17,499.54

Step by Step Solution

1. Step 1: Write the proportion equation
   31,646.18 : 43,672.60 = 17,499.54 : x
2. Step 2: Convert to fraction form
   31,646.18/43,672.60 = 17,499.54/x
3. Step 3: Cross multiply
   31,646.18x = 43,672.60 × 17,499.54
4. Step 4: Simplify right side
   31,646.18x = 764,250,410.60
5. Step 5: Solve for x
   x = 764,250,410.60/31,646.18
6. Step 6: Final answer
   x = 24,149.85