Finding the Fourth Proportional to 1,254.69, 1,732.10 and 974.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,254.69 : 1,732.10 = 974.30 : x
2. Step 2: Convert to fraction form
   1,254.69/1,732.10 = 974.30/x
3. Step 3: Cross multiply
   1,254.69x = 1,732.10 × 974.30
4. Step 4: Simplify right side
   1,254.69x = 1,687,571.50
5. Step 5: Solve for x
   x = 1,687,571.50/1,254.69
6. Step 6: Final answer
   x = 1,345.01