Finding the Fourth Proportional to 1,673.10, 2,308.41 and 974.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,673.10 : 2,308.41 = 974.34 : x
2. Step 2: Convert to fraction form
   1,673.10/2,308.41 = 974.34/x
3. Step 3: Cross multiply
   1,673.10x = 2,308.41 × 974.34
4. Step 4: Simplify right side
   1,673.10x = 2,249,176.20
5. Step 5: Solve for x
   x = 2,249,176.20/1,673.10
6. Step 6: Final answer
   x = 1,344.32