Finding the Fourth Proportional to 2,585.52, 3,879.90 and 1,046.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,585.52 : 3,879.90 = 1,046.52 : x
2. Step 2: Convert to fraction form
   2,585.52/3,879.90 = 1,046.52/x
3. Step 3: Cross multiply
   2,585.52x = 3,879.90 × 1,046.52
4. Step 4: Simplify right side
   2,585.52x = 4,060,392.95
5. Step 5: Solve for x
   x = 4,060,392.95/2,585.52
6. Step 6: Final answer
   x = 1,570.44