Finding the Fourth Proportional to 22,784.72, 31,414.92 and 16,494.80

Step by Step Solution

1. Step 1: Write the proportion equation
   22,784.72 : 31,414.92 = 16,494.80 : x
2. Step 2: Convert to fraction form
   22,784.72/31,414.92 = 16,494.80/x
3. Step 3: Cross multiply
   22,784.72x = 31,414.92 × 16,494.80
4. Step 4: Simplify right side
   22,784.72x = 518,182,822.42
5. Step 5: Solve for x
   x = 518,182,822.42/22,784.72
6. Step 6: Final answer
   x = 22,742.56