Finding the Fourth Proportional to 42,827.28, 64,257.48 and 16,524.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,827.28 : 64,257.48 = 16,524.72 : x
2. Step 2: Convert to fraction form
   42,827.28/64,257.48 = 16,524.72/x
3. Step 3: Cross multiply
   42,827.28x = 64,257.48 × 16,524.72
4. Step 4: Simplify right side
   42,827.28x = 1,061,836,864.91
5. Step 5: Solve for x
   x = 1,061,836,864.91/42,827.28
6. Step 6: Final answer
   x = 24,793.47