Finding the Fourth Proportional to 28,074.72, 42,142.41 and 24,974.58

Step by Step Solution

1. Step 1: Write the proportion equation
   28,074.72 : 42,142.41 = 24,974.58 : x
2. Step 2: Convert to fraction form
   28,074.72/42,142.41 = 24,974.58/x
3. Step 3: Cross multiply
   28,074.72x = 42,142.41 × 24,974.58
4. Step 4: Simplify right side
   28,074.72x = 1,052,488,989.94
5. Step 5: Solve for x
   x = 1,052,488,989.94/28,074.72
6. Step 6: Final answer
   x = 37,488.85