Finding the Fourth Proportional to 2,969.88, 4,099.98 and 2,773.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,969.88 : 4,099.98 = 2,773.56 : x
2. Step 2: Convert to fraction form
   2,969.88/4,099.98 = 2,773.56/x
3. Step 3: Cross multiply
   2,969.88x = 4,099.98 × 2,773.56
4. Step 4: Simplify right side
   2,969.88x = 11,371,540.53
5. Step 5: Solve for x
   x = 11,371,540.53/2,969.88
6. Step 6: Final answer
   x = 3,828.96