Finding the Fourth Proportional to 2,380.37, 3,567.82 and 992.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,380.37 : 3,567.82 = 992.99 : x
2. Step 2: Convert to fraction form
   2,380.37/3,567.82 = 992.99/x
3. Step 3: Cross multiply
   2,380.37x = 3,567.82 × 992.99
4. Step 4: Simplify right side
   2,380.37x = 3,542,816.02
5. Step 5: Solve for x
   x = 3,542,816.02/2,380.37
6. Step 6: Final answer
   x = 1,488.35