Finding the Fourth Proportional to 22,317, 30,797.82 and 12,381

Step by Step Solution

1. Step 1: Write the proportion equation
   22,317 : 30,797.82 = 12,381 : x
2. Step 2: Convert to fraction form
   22,317/30,797.82 = 12,381/x
3. Step 3: Cross multiply
   22,317x = 30,797.82 × 12,381
4. Step 4: Simplify right side
   22,317x = 381,307,809.42
5. Step 5: Solve for x
   x = 381,307,809.42/22,317
6. Step 6: Final answer
   x = 17,085.98