Finding the Fourth Proportional to 10,665.12, 15,995.52 and 2,874.36

Step by Step Solution

1. Step 1: Write the proportion equation
   10,665.12 : 15,995.52 = 2,874.36 : x
2. Step 2: Convert to fraction form
   10,665.12/15,995.52 = 2,874.36/x
3. Step 3: Cross multiply
   10,665.12x = 15,995.52 × 2,874.36
4. Step 4: Simplify right side
   10,665.12x = 45,976,882.87
5. Step 5: Solve for x
   x = 45,976,882.87/10,665.12
6. Step 6: Final answer
   x = 4,310.96