Finding the Fourth Proportional to 31,765.50, 43,836.59 and 17,618.38

Step by Step Solution

1. Step 1: Write the proportion equation
   31,765.50 : 43,836.59 = 17,618.38 : x
2. Step 2: Convert to fraction form
   31,765.50/43,836.59 = 17,618.38/x
3. Step 3: Cross multiply
   31,765.50x = 43,836.59 × 17,618.38
4. Step 4: Simplify right side
   31,765.50x = 772,329,634.98
5. Step 5: Solve for x
   x = 772,329,634.98/31,765.50
6. Step 6: Final answer
   x = 24,313.47