Finding the Fourth Proportional to 3,776.59, 5,211.69 and 2,098.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,776.59 : 5,211.69 = 2,098.15 : x
2. Step 2: Convert to fraction form
   3,776.59/5,211.69 = 2,098.15/x
3. Step 3: Cross multiply
   3,776.59x = 5,211.69 × 2,098.15
4. Step 4: Simplify right side
   3,776.59x = 10,934,920.40
5. Step 5: Solve for x
   x = 10,934,920.40/3,776.59
6. Step 6: Final answer
   x = 2,895.45