Finding the Fourth Proportional to 1,940.94, 2,678.94 and 1,155.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,940.94 : 2,678.94 = 1,155.60 : x
2. Step 2: Convert to fraction form
   1,940.94/2,678.94 = 1,155.60/x
3. Step 3: Cross multiply
   1,940.94x = 2,678.94 × 1,155.60
4. Step 4: Simplify right side
   1,940.94x = 3,095,783.06
5. Step 5: Solve for x
   x = 3,095,783.06/1,940.94
6. Step 6: Final answer
   x = 1,594.99