Finding the Fourth Proportional to 1,517.98, 2,277.38 and 869.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,517.98 : 2,277.38 = 869.18 : x
2. Step 2: Convert to fraction form
   1,517.98/2,277.38 = 869.18/x
3. Step 3: Cross multiply
   1,517.98x = 2,277.38 × 869.18
4. Step 4: Simplify right side
   1,517.98x = 1,979,453.15
5. Step 5: Solve for x
   x = 1,979,453.15/1,517.98
6. Step 6: Final answer
   x = 1,304.00