Finding the Fourth Proportional to 22,465.62, 31,002.36 and 12,394.15

Step by Step Solution

1. Step 1: Write the proportion equation
   22,465.62 : 31,002.36 = 12,394.15 : x
2. Step 2: Convert to fraction form
   22,465.62/31,002.36 = 12,394.15/x
3. Step 3: Cross multiply
   22,465.62x = 31,002.36 × 12,394.15
4. Step 4: Simplify right side
   22,465.62x = 384,247,776.21
5. Step 5: Solve for x
   x = 384,247,776.21/22,465.62
6. Step 6: Final answer
   x = 17,103.81