Finding the Fourth Proportional to 22,398.54, 30,909.98 and 12,327.66

Step by Step Solution

1. Step 1: Write the proportion equation
   22,398.54 : 30,909.98 = 12,327.66 : x
2. Step 2: Convert to fraction form
   22,398.54/30,909.98 = 12,327.66/x
3. Step 3: Cross multiply
   22,398.54x = 30,909.98 × 12,327.66
4. Step 4: Simplify right side
   22,398.54x = 381,047,724.05
5. Step 5: Solve for x
   x = 381,047,724.05/22,398.54
6. Step 6: Final answer
   x = 17,012.17