Finding the Fourth Proportional to 2,883.76, 4,326.15 and 1,009.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,883.76 : 4,326.15 = 1,009.55 : x
2. Step 2: Convert to fraction form
   2,883.76/4,326.15 = 1,009.55/x
3. Step 3: Cross multiply
   2,883.76x = 4,326.15 × 1,009.55
4. Step 4: Simplify right side
   2,883.76x = 4,367,464.73
5. Step 5: Solve for x
   x = 4,367,464.73/2,883.76
6. Step 6: Final answer
   x = 1,514.50