Finding the Fourth Proportional to 1,463.58, 2,019.15 and 873.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,463.58 : 2,019.15 = 873.78 : x
2. Step 2: Convert to fraction form
   1,463.58/2,019.15 = 873.78/x
3. Step 3: Cross multiply
   1,463.58x = 2,019.15 × 873.78
4. Step 4: Simplify right side
   1,463.58x = 1,764,292.89
5. Step 5: Solve for x
   x = 1,764,292.89/1,463.58
6. Step 6: Final answer
   x = 1,205.46