Finding the Fourth Proportional to 22,396.52, 30,909.12 and 12,326.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,396.52 : 30,909.12 = 12,326.96 : x
2. Step 2: Convert to fraction form
   22,396.52/30,909.12 = 12,326.96/x
3. Step 3: Cross multiply
   22,396.52x = 30,909.12 × 12,326.96
4. Step 4: Simplify right side
   22,396.52x = 381,015,485.88
5. Step 5: Solve for x
   x = 381,015,485.88/22,396.52
6. Step 6: Final answer
   x = 17,012.26