Finding the Fourth Proportional to 31,656.69, 43,686.14 and 17,509.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,656.69 : 43,686.14 = 17,509.50 : x
2. Step 2: Convert to fraction form
   31,656.69/43,686.14 = 17,509.50/x
3. Step 3: Cross multiply
   31,656.69x = 43,686.14 × 17,509.50
4. Step 4: Simplify right side
   31,656.69x = 764,922,380.78
5. Step 5: Solve for x
   x = 764,922,380.78/31,656.69
6. Step 6: Final answer
   x = 24,163.06