Finding the Fourth Proportional to 22,008.18, 30,380.76 and 13,511.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,008.18 : 30,380.76 = 13,511.69 : x
2. Step 2: Convert to fraction form
   22,008.18/30,380.76 = 13,511.69/x
3. Step 3: Cross multiply
   22,008.18x = 30,380.76 × 13,511.69
4. Step 4: Simplify right side
   22,008.18x = 410,495,259.18
5. Step 5: Solve for x
   x = 410,495,259.18/22,008.18
6. Step 6: Final answer
   x = 18,651.94