Finding the Fourth Proportional to 3,776.81, 5,209.94 and 2,411.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,776.81 : 5,209.94 = 2,411.52 : x
2. Step 2: Convert to fraction form
   3,776.81/5,209.94 = 2,411.52/x
3. Step 3: Cross multiply
   3,776.81x = 5,209.94 × 2,411.52
4. Step 4: Simplify right side
   3,776.81x = 12,563,862.45
5. Step 5: Solve for x
   x = 12,563,862.45/3,776.81
6. Step 6: Final answer
   x = 3,326.58