Finding the Fourth Proportional to 2,789.83, 4,181.82 and 940.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,789.83 : 4,181.82 = 940.30 : x
2. Step 2: Convert to fraction form
   2,789.83/4,181.82 = 940.30/x
3. Step 3: Cross multiply
   2,789.83x = 4,181.82 × 940.30
4. Step 4: Simplify right side
   2,789.83x = 3,932,165.35
5. Step 5: Solve for x
   x = 3,932,165.35/2,789.83
6. Step 6: Final answer
   x = 1,409.47