Finding the Fourth Proportional to 2,168.38, 2,987.31 and 1,773.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,168.38 : 2,987.31 = 1,773.10 : x
2. Step 2: Convert to fraction form
   2,168.38/2,987.31 = 1,773.10/x
3. Step 3: Cross multiply
   2,168.38x = 2,987.31 × 1,773.10
4. Step 4: Simplify right side
   2,168.38x = 5,296,799.36
5. Step 5: Solve for x
   x = 5,296,799.36/2,168.38
6. Step 6: Final answer
   x = 2,442.74