Finding the Fourth Proportional to 1,778.01, 2,453.69 and 992.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,778.01 : 2,453.69 = 992.04 : x
2. Step 2: Convert to fraction form
   1,778.01/2,453.69 = 992.04/x
3. Step 3: Cross multiply
   1,778.01x = 2,453.69 × 992.04
4. Step 4: Simplify right side
   1,778.01x = 2,434,153.67
5. Step 5: Solve for x
   x = 2,434,153.67/1,778.01
6. Step 6: Final answer
   x = 1,369.03