Finding the Fourth Proportional to 3,099.98, 4,278.27 and 1,773.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,099.98 : 4,278.27 = 1,773.42 : x
2. Step 2: Convert to fraction form
   3,099.98/4,278.27 = 1,773.42/x
3. Step 3: Cross multiply
   3,099.98x = 4,278.27 × 1,773.42
4. Step 4: Simplify right side
   3,099.98x = 7,587,169.58
5. Step 5: Solve for x
   x = 7,587,169.58/3,099.98
6. Step 6: Final answer
   x = 2,447.49