Finding the Fourth Proportional to 2,806.72, 4,204.68 and 2,520.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,806.72 : 4,204.68 = 2,520.52 : x
2. Step 2: Convert to fraction form
   2,806.72/4,204.68 = 2,520.52/x
3. Step 3: Cross multiply
   2,806.72x = 4,204.68 × 2,520.52
4. Step 4: Simplify right side
   2,806.72x = 10,597,980.03
5. Step 5: Solve for x
   x = 10,597,980.03/2,806.72
6. Step 6: Final answer
   x = 3,775.93