Finding the Fourth Proportional to 3,767.28, 5,651.25 and 993.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,767.28 : 5,651.25 = 993.91 : x
2. Step 2: Convert to fraction form
   3,767.28/5,651.25 = 993.91/x
3. Step 3: Cross multiply
   3,767.28x = 5,651.25 × 993.91
4. Step 4: Simplify right side
   3,767.28x = 5,616,833.89
5. Step 5: Solve for x
   x = 5,616,833.89/3,767.28
6. Step 6: Final answer
   x = 1,490.95