Finding the Fourth Proportional to 22,452.72, 30,986.52 and 12,382.08

Step by Step Solution

1. Step 1: Write the proportion equation
   22,452.72 : 30,986.52 = 12,382.08 : x
2. Step 2: Convert to fraction form
   22,452.72/30,986.52 = 12,382.08/x
3. Step 3: Cross multiply
   22,452.72x = 30,986.52 × 12,382.08
4. Step 4: Simplify right side
   22,452.72x = 383,677,569.56
5. Step 5: Solve for x
   x = 383,677,569.56/22,452.72
6. Step 6: Final answer
   x = 17,088.24