Finding the Fourth Proportional to 1,673.16, 2,308.94 and 974.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,673.16 : 2,308.94 = 974.52 : x
2. Step 2: Convert to fraction form
   1,673.16/2,308.94 = 974.52/x
3. Step 3: Cross multiply
   1,673.16x = 2,308.94 × 974.52
4. Step 4: Simplify right side
   1,673.16x = 2,250,108.21
5. Step 5: Solve for x
   x = 2,250,108.21/1,673.16
6. Step 6: Final answer
   x = 1,344.83