Finding the Fourth Proportional to 1,942.92, 2,911.86 and 788.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,942.92 : 2,911.86 = 788.04 : x
2. Step 2: Convert to fraction form
   1,942.92/2,911.86 = 788.04/x
3. Step 3: Cross multiply
   1,942.92x = 2,911.86 × 788.04
4. Step 4: Simplify right side
   1,942.92x = 2,294,662.15
5. Step 5: Solve for x
   x = 2,294,662.15/1,942.92
6. Step 6: Final answer
   x = 1,181.04