Finding the Fourth Proportional to 1,233.69, 1,849.98 and 453.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,233.69 : 1,849.98 = 453.46 : x
2. Step 2: Convert to fraction form
   1,233.69/1,849.98 = 453.46/x
3. Step 3: Cross multiply
   1,233.69x = 1,849.98 × 453.46
4. Step 4: Simplify right side
   1,233.69x = 838,891.93
5. Step 5: Solve for x
   x = 838,891.93/1,233.69
6. Step 6: Final answer
   x = 679.99