Finding the Fourth Proportional to 2,662.03, 3,992.19 and 930.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,662.03 : 3,992.19 = 930.25 : x
2. Step 2: Convert to fraction form
   2,662.03/3,992.19 = 930.25/x
3. Step 3: Cross multiply
   2,662.03x = 3,992.19 × 930.25
4. Step 4: Simplify right side
   2,662.03x = 3,713,734.75
5. Step 5: Solve for x
   x = 3,713,734.75/2,662.03
6. Step 6: Final answer
   x = 1,395.08