Finding the Fourth Proportional to 22,523.60, 31,081.68 and 12,451.38

Step by Step Solution

1. Step 1: Write the proportion equation
   22,523.60 : 31,081.68 = 12,451.38 : x
2. Step 2: Convert to fraction form
   22,523.60/31,081.68 = 12,451.38/x
3. Step 3: Cross multiply
   22,523.60x = 31,081.68 × 12,451.38
4. Step 4: Simplify right side
   22,523.60x = 387,009,808.72
5. Step 5: Solve for x
   x = 387,009,808.72/22,523.60
6. Step 6: Final answer
   x = 17,182.42