Finding the Fourth Proportional to 2,291.25, 3,431.52 and 1,673.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,291.25 : 3,431.52 = 1,673.42 : x
2. Step 2: Convert to fraction form
   2,291.25/3,431.52 = 1,673.42/x
3. Step 3: Cross multiply
   2,291.25x = 3,431.52 × 1,673.42
4. Step 4: Simplify right side
   2,291.25x = 5,742,374.20
5. Step 5: Solve for x
   x = 5,742,374.20/2,291.25
6. Step 6: Final answer
   x = 2,506.22