Finding the Fourth Proportional to 22,524.64, 31,081.61 and 12,451.45

Step by Step Solution

1. Step 1: Write the proportion equation
   22,524.64 : 31,081.61 = 12,451.45 : x
2. Step 2: Convert to fraction form
   22,524.64/31,081.61 = 12,451.45/x
3. Step 3: Cross multiply
   22,524.64x = 31,081.61 × 12,451.45
4. Step 4: Simplify right side
   22,524.64x = 387,011,112.83
5. Step 5: Solve for x
   x = 387,011,112.83/22,524.64
6. Step 6: Final answer
   x = 17,181.68