Finding the Fourth Proportional to 2,824.38, 4,234.85 and 1,264.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,824.38 : 4,234.85 = 1,264.10 : x
2. Step 2: Convert to fraction form
   2,824.38/4,234.85 = 1,264.10/x
3. Step 3: Cross multiply
   2,824.38x = 4,234.85 × 1,264.10
4. Step 4: Simplify right side
   2,824.38x = 5,353,255.87
5. Step 5: Solve for x
   x = 5,353,255.87/2,824.38
6. Step 6: Final answer
   x = 1,895.37