Finding the Fourth Proportional to 42,800.22, 64,218.78 and 16,523.42

Step by Step Solution

1. Step 1: Write the proportion equation
   42,800.22 : 64,218.78 = 16,523.42 : x
2. Step 2: Convert to fraction form
   42,800.22/64,218.78 = 16,523.42/x
3. Step 3: Cross multiply
   42,800.22x = 64,218.78 × 16,523.42
4. Step 4: Simplify right side
   42,800.22x = 1,061,113,552.73
5. Step 5: Solve for x
   x = 1,061,113,552.73/42,800.22
6. Step 6: Final answer
   x = 24,792.25