Finding the Fourth Proportional to 1,778.37, 2,453.57 and 992.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,778.37 : 2,453.57 = 992.27 : x
2. Step 2: Convert to fraction form
   1,778.37/2,453.57 = 992.27/x
3. Step 3: Cross multiply
   1,778.37x = 2,453.57 × 992.27
4. Step 4: Simplify right side
   1,778.37x = 2,434,594.12
5. Step 5: Solve for x
   x = 2,434,594.12/1,778.37
6. Step 6: Final answer
   x = 1,369.00