Finding the Fourth Proportional to 8,997.92, 13,500.12 and 3,155.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,997.92 : 13,500.12 = 3,155.42 : x
2. Step 2: Convert to fraction form
   8,997.92/13,500.12 = 3,155.42/x
3. Step 3: Cross multiply
   8,997.92x = 13,500.12 × 3,155.42
4. Step 4: Simplify right side
   8,997.92x = 42,598,548.65
5. Step 5: Solve for x
   x = 42,598,548.65/8,997.92
6. Step 6: Final answer
   x = 4,734.27