Finding the Fourth Proportional to 2,528.65, 3,793.98 and 886.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,528.65 : 3,793.98 = 886.37 : x
2. Step 2: Convert to fraction form
   2,528.65/3,793.98 = 886.37/x
3. Step 3: Cross multiply
   2,528.65x = 3,793.98 × 886.37
4. Step 4: Simplify right side
   2,528.65x = 3,362,870.05
5. Step 5: Solve for x
   x = 3,362,870.05/2,528.65
6. Step 6: Final answer
   x = 1,329.91