Finding the Fourth Proportional to 22,930.50, 31,647.33 and 12,723.82

Step by Step Solution

1. Step 1: Write the proportion equation
   22,930.50 : 31,647.33 = 12,723.82 : x
2. Step 2: Convert to fraction form
   22,930.50/31,647.33 = 12,723.82/x
3. Step 3: Cross multiply
   22,930.50x = 31,647.33 × 12,723.82
4. Step 4: Simplify right side
   22,930.50x = 402,674,930.40
5. Step 5: Solve for x
   x = 402,674,930.40/22,930.50
6. Step 6: Final answer
   x = 17,560.67