Finding the Fourth Proportional to 2,520.27, 3,784.05 and 2,247.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520.27 : 3,784.05 = 2,247.30 : x
2. Step 2: Convert to fraction form
   2,520.27/3,784.05 = 2,247.30/x
3. Step 3: Cross multiply
   2,520.27x = 3,784.05 × 2,247.30
4. Step 4: Simplify right side
   2,520.27x = 8,503,895.57
5. Step 5: Solve for x
   x = 8,503,895.57/2,520.27
6. Step 6: Final answer
   x = 3,374.20