Finding the Fourth Proportional to 1,359.88, 1,876.32 and 940.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359.88 : 1,876.32 = 940.60 : x
2. Step 2: Convert to fraction form
   1,359.88/1,876.32 = 940.60/x
3. Step 3: Cross multiply
   1,359.88x = 1,876.32 × 940.60
4. Step 4: Simplify right side
   1,359.88x = 1,764,866.59
5. Step 5: Solve for x
   x = 1,764,866.59/1,359.88
6. Step 6: Final answer
   x = 1,297.81