Finding the Fourth Proportional to 1,253.08, 1,730.89 and 961.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,253.08 : 1,730.89 = 961.94 : x
2. Step 2: Convert to fraction form
   1,253.08/1,730.89 = 961.94/x
3. Step 3: Cross multiply
   1,253.08x = 1,730.89 × 961.94
4. Step 4: Simplify right side
   1,253.08x = 1,665,012.33
5. Step 5: Solve for x
   x = 1,665,012.33/1,253.08
6. Step 6: Final answer
   x = 1,328.74