Finding the Fourth Proportional to 2,987.69, 4,483.35 and 1,233.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,987.69 : 4,483.35 = 1,233.23 : x
2. Step 2: Convert to fraction form
   2,987.69/4,483.35 = 1,233.23/x
3. Step 3: Cross multiply
   2,987.69x = 4,483.35 × 1,233.23
4. Step 4: Simplify right side
   2,987.69x = 5,528,979.30
5. Step 5: Solve for x
   x = 5,528,979.30/2,987.69
6. Step 6: Final answer
   x = 1,850.59