Finding the Fourth Proportional to 1,673.34, 2,309.49 and 975.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,673.34 : 2,309.49 = 975.12 : x
2. Step 2: Convert to fraction form
   1,673.34/2,309.49 = 975.12/x
3. Step 3: Cross multiply
   1,673.34x = 2,309.49 × 975.12
4. Step 4: Simplify right side
   1,673.34x = 2,252,029.89
5. Step 5: Solve for x
   x = 2,252,029.89/1,673.34
6. Step 6: Final answer
   x = 1,345.83