Finding the Fourth Proportional to 2,989.69, 4,485.25 and 937.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,989.69 : 4,485.25 = 937.69 : x
2. Step 2: Convert to fraction form
   2,989.69/4,485.25 = 937.69/x
3. Step 3: Cross multiply
   2,989.69x = 4,485.25 × 937.69
4. Step 4: Simplify right side
   2,989.69x = 4,205,764.03
5. Step 5: Solve for x
   x = 4,205,764.03/2,989.69
6. Step 6: Final answer
   x = 1,406.76