Finding the Fourth Proportional to 3,100.82, 4,278.42 and 1,773.77

Step by Step Solution

1. Step 1: Write the proportion equation
   3,100.82 : 4,278.42 = 1,773.77 : x
2. Step 2: Convert to fraction form
   3,100.82/4,278.42 = 1,773.77/x
3. Step 3: Cross multiply
   3,100.82x = 4,278.42 × 1,773.77
4. Step 4: Simplify right side
   3,100.82x = 7,588,911.65
5. Step 5: Solve for x
   x = 7,588,911.65/3,100.82
6. Step 6: Final answer
   x = 2,447.39