Finding the Fourth Proportional to 22,314, 30,793.32 and 12,378

Step by Step Solution

1. Step 1: Write the proportion equation
   22,314 : 30,793.32 = 12,378 : x
2. Step 2: Convert to fraction form
   22,314/30,793.32 = 12,378/x
3. Step 3: Cross multiply
   22,314x = 30,793.32 × 12,378
4. Step 4: Simplify right side
   22,314x = 381,159,714.96
5. Step 5: Solve for x
   x = 381,159,714.96/22,314
6. Step 6: Final answer
   x = 17,081.64