Finding the Fourth Proportional to 2,048.25, 3,073.59 and 878.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,048.25 : 3,073.59 = 878.22 : x
2. Step 2: Convert to fraction form
   2,048.25/3,073.59 = 878.22/x
3. Step 3: Cross multiply
   2,048.25x = 3,073.59 × 878.22
4. Step 4: Simplify right side
   2,048.25x = 2,699,288.21
5. Step 5: Solve for x
   x = 2,699,288.21/2,048.25
6. Step 6: Final answer
   x = 1,317.85