Finding the Fourth Proportional to 1,366.97, 2,048.72 and 873.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,366.97 : 2,048.72 = 873.18 : x
2. Step 2: Convert to fraction form
   1,366.97/2,048.72 = 873.18/x
3. Step 3: Cross multiply
   1,366.97x = 2,048.72 × 873.18
4. Step 4: Simplify right side
   1,366.97x = 1,788,900.81
5. Step 5: Solve for x
   x = 1,788,900.81/1,366.97
6. Step 6: Final answer
   x = 1,308.67