Finding the Fourth Proportional to 2,528.86, 3,793.83 and 885.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,528.86 : 3,793.83 = 885.46 : x
2. Step 2: Convert to fraction form
   2,528.86/3,793.83 = 885.46/x
3. Step 3: Cross multiply
   2,528.86x = 3,793.83 × 885.46
4. Step 4: Simplify right side
   2,528.86x = 3,359,284.71
5. Step 5: Solve for x
   x = 3,359,284.71/2,528.86
6. Step 6: Final answer
   x = 1,328.38