Finding the Fourth Proportional to 22,452.66, 30,983.01 and 12,381.30

Step by Step Solution

1. Step 1: Write the proportion equation
   22,452.66 : 30,983.01 = 12,381.30 : x
2. Step 2: Convert to fraction form
   22,452.66/30,983.01 = 12,381.30/x
3. Step 3: Cross multiply
   22,452.66x = 30,983.01 × 12,381.30
4. Step 4: Simplify right side
   22,452.66x = 383,609,941.71
5. Step 5: Solve for x
   x = 383,609,941.71/22,452.66
6. Step 6: Final answer
   x = 17,085.28