Finding the Fourth Proportional to 2,042.88, 3,064.48 and 888.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042.88 : 3,064.48 = 888.72 : x
2. Step 2: Convert to fraction form
   2,042.88/3,064.48 = 888.72/x
3. Step 3: Cross multiply
   2,042.88x = 3,064.48 × 888.72
4. Step 4: Simplify right side
   2,042.88x = 2,723,464.67
5. Step 5: Solve for x
   x = 2,723,464.67/2,042.88
6. Step 6: Final answer
   x = 1,333.15