Finding the Fourth Proportional to 22,330.10, 30,816.05 and 12,394.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,330.10 : 30,816.05 = 12,394.10 : x
2. Step 2: Convert to fraction form
   22,330.10/30,816.05 = 12,394.10/x
3. Step 3: Cross multiply
   22,330.10x = 30,816.05 × 12,394.10
4. Step 4: Simplify right side
   22,330.10x = 381,937,205.31
5. Step 5: Solve for x
   x = 381,937,205.31/22,330.10
6. Step 6: Final answer
   x = 17,104.14