Finding the Fourth Proportional to 1,233.21, 1,849.31 and 616.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,233.21 : 1,849.31 = 616.18 : x
2. Step 2: Convert to fraction form
   1,233.21/1,849.31 = 616.18/x
3. Step 3: Cross multiply
   1,233.21x = 1,849.31 × 616.18
4. Step 4: Simplify right side
   1,233.21x = 1,139,507.84
5. Step 5: Solve for x
   x = 1,139,507.84/1,233.21
6. Step 6: Final answer
   x = 924.02