Finding the Fourth Proportional to 22,464.72, 31,003.08 and 12,394.08

Step by Step Solution

1. Step 1: Write the proportion equation
   22,464.72 : 31,003.08 = 12,394.08 : x
2. Step 2: Convert to fraction form
   22,464.72/31,003.08 = 12,394.08/x
3. Step 3: Cross multiply
   22,464.72x = 31,003.08 × 12,394.08
4. Step 4: Simplify right side
   22,464.72x = 384,254,653.77
5. Step 5: Solve for x
   x = 384,254,653.77/22,464.72
6. Step 6: Final answer
   x = 17,104.80