Finding the Fourth Proportional to 59,612, 89,281.92 and 28,469.12

Step by Step Solution

1. Step 1: Write the proportion equation
   59,612 : 89,281.92 = 28,469.12 : x
2. Step 2: Convert to fraction form
   59,612/89,281.92 = 28,469.12/x
3. Step 3: Cross multiply
   59,612x = 89,281.92 × 28,469.12
4. Step 4: Simplify right side
   59,612x = 2,541,777,694.31
5. Step 5: Solve for x
   x = 2,541,777,694.31/59,612
6. Step 6: Final answer
   x = 42,638.69