Finding the Fourth Proportional to 2,766.72, 3,810.24 and 2,547.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,766.72 : 3,810.24 = 2,547.84 : x
2. Step 2: Convert to fraction form
   2,766.72/3,810.24 = 2,547.84/x
3. Step 3: Cross multiply
   2,766.72x = 3,810.24 × 2,547.84
4. Step 4: Simplify right side
   2,766.72x = 9,707,881.88
5. Step 5: Solve for x
   x = 9,707,881.88/2,766.72
6. Step 6: Final answer
   x = 3,508.81