Finding the Fourth Proportional to 3,762.52, 5,643.33 and 989.41

Step by Step Solution

1. Step 1: Write the proportion equation
   3,762.52 : 5,643.33 = 989.41 : x
2. Step 2: Convert to fraction form
   3,762.52/5,643.33 = 989.41/x
3. Step 3: Cross multiply
   3,762.52x = 5,643.33 × 989.41
4. Step 4: Simplify right side
   3,762.52x = 5,583,544.02
5. Step 5: Solve for x
   x = 5,583,544.02/3,762.52
6. Step 6: Final answer
   x = 1,483.99