Finding the Fourth Proportional to 42,814.52, 64,227.25 and 16,526.78

Step by Step Solution

1. Step 1: Write the proportion equation
   42,814.52 : 64,227.25 = 16,526.78 : x
2. Step 2: Convert to fraction form
   42,814.52/64,227.25 = 16,526.78/x
3. Step 3: Cross multiply
   42,814.52x = 64,227.25 × 16,526.78
4. Step 4: Simplify right side
   42,814.52x = 1,061,469,630.76
5. Step 5: Solve for x
   x = 1,061,469,630.76/42,814.52
6. Step 6: Final answer
   x = 24,792.28