Finding the Fourth Proportional to 22,465.50, 31,002.18 and 12,394.02

Step by Step Solution

1. Step 1: Write the proportion equation
   22,465.50 : 31,002.18 = 12,394.02 : x
2. Step 2: Convert to fraction form
   22,465.50/31,002.18 = 12,394.02/x
3. Step 3: Cross multiply
   22,465.50x = 31,002.18 × 12,394.02
4. Step 4: Simplify right side
   22,465.50x = 384,241,638.96
5. Step 5: Solve for x
   x = 384,241,638.96/22,465.50
6. Step 6: Final answer
   x = 17,103.63