Finding the Fourth Proportional to 22,465.69, 31,002.88 and 12,394.49

Step by Step Solution

1. Step 1: Write the proportion equation
   22,465.69 : 31,002.88 = 12,394.49 : x
2. Step 2: Convert to fraction form
   22,465.69/31,002.88 = 12,394.49/x
3. Step 3: Cross multiply
   22,465.69x = 31,002.88 × 12,394.49
4. Step 4: Simplify right side
   22,465.69x = 384,264,886.13
5. Step 5: Solve for x
   x = 384,264,886.13/22,465.69
6. Step 6: Final answer
   x = 17,104.52