Finding the Fourth Proportional to 3,382.24, 5,073.72 and 1,042.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,382.24 : 5,073.72 = 1,042.15 : x
2. Step 2: Convert to fraction form
   3,382.24/5,073.72 = 1,042.15/x
3. Step 3: Cross multiply
   3,382.24x = 5,073.72 × 1,042.15
4. Step 4: Simplify right side
   3,382.24x = 5,287,577.30
5. Step 5: Solve for x
   x = 5,287,577.30/3,382.24
6. Step 6: Final answer
   x = 1,563.34