Finding the Fourth Proportional to 22,465.51, 31,002.69 and 12,394.36

Step by Step Solution

1. Step 1: Write the proportion equation
   22,465.51 : 31,002.69 = 12,394.36 : x
2. Step 2: Convert to fraction form
   22,465.51/31,002.69 = 12,394.36/x
3. Step 3: Cross multiply
   22,465.51x = 31,002.69 × 12,394.36
4. Step 4: Simplify right side
   22,465.51x = 384,258,500.83
5. Step 5: Solve for x
   x = 384,258,500.83/22,465.51
6. Step 6: Final answer
   x = 17,104.37