Finding the Fourth Proportional to 2,773.94, 4,165.86 and 2,662.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,773.94 : 4,165.86 = 2,662.45 : x
2. Step 2: Convert to fraction form
   2,773.94/4,165.86 = 2,662.45/x
3. Step 3: Cross multiply
   2,773.94x = 4,165.86 × 2,662.45
4. Step 4: Simplify right side
   2,773.94x = 11,091,393.96
5. Step 5: Solve for x
   x = 11,091,393.96/2,773.94
6. Step 6: Final answer
   x = 3,998.43