Finding the Fourth Proportional to 2,530.56, 3,793.52 and 886.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,530.56 : 3,793.52 = 886.21 : x
2. Step 2: Convert to fraction form
   2,530.56/3,793.52 = 886.21/x
3. Step 3: Cross multiply
   2,530.56x = 3,793.52 × 886.21
4. Step 4: Simplify right side
   2,530.56x = 3,361,836.39
5. Step 5: Solve for x
   x = 3,361,836.39/2,530.56
6. Step 6: Final answer
   x = 1,328.50