Finding the Fourth Proportional to 1,233.26, 1,849.89 and 648.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,233.26 : 1,849.89 = 648.41 : x
2. Step 2: Convert to fraction form
   1,233.26/1,849.89 = 648.41/x
3. Step 3: Cross multiply
   1,233.26x = 1,849.89 × 648.41
4. Step 4: Simplify right side
   1,233.26x = 1,199,492.52
5. Step 5: Solve for x
   x = 1,199,492.52/1,233.26
6. Step 6: Final answer
   x = 972.62