Finding the Fourth Proportional to 2,348.25, 3,518.72 and 886.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,348.25 : 3,518.72 = 886.61 : x
2. Step 2: Convert to fraction form
   2,348.25/3,518.72 = 886.61/x
3. Step 3: Cross multiply
   2,348.25x = 3,518.72 × 886.61
4. Step 4: Simplify right side
   2,348.25x = 3,119,710.31
5. Step 5: Solve for x
   x = 3,119,710.31/2,348.25
6. Step 6: Final answer
   x = 1,328.53