Finding the Fourth Proportional to 22,452.82, 30,985.10 and 12,381.62

Step by Step Solution

1. Step 1: Write the proportion equation
   22,452.82 : 30,985.10 = 12,381.62 : x
2. Step 2: Convert to fraction form
   22,452.82/30,985.10 = 12,381.62/x
3. Step 3: Cross multiply
   22,452.82x = 30,985.10 × 12,381.62
4. Step 4: Simplify right side
   22,452.82x = 383,645,733.86
5. Step 5: Solve for x
   x = 383,645,733.86/22,452.82
6. Step 6: Final answer
   x = 17,086.75