Finding the Fourth Proportional to 3,762.67, 5,643.92 and 989.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,762.67 : 5,643.92 = 989.52 : x
2. Step 2: Convert to fraction form
   3,762.67/5,643.92 = 989.52/x
3. Step 3: Cross multiply
   3,762.67x = 5,643.92 × 989.52
4. Step 4: Simplify right side
   3,762.67x = 5,584,771.72
5. Step 5: Solve for x
   x = 5,584,771.72/3,762.67
6. Step 6: Final answer
   x = 1,484.26