Finding the Fourth Proportional to 2,789.48, 4,184.86 and 940.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,789.48 : 4,184.86 = 940.55 : x
2. Step 2: Convert to fraction form
   2,789.48/4,184.86 = 940.55/x
3. Step 3: Cross multiply
   2,789.48x = 4,184.86 × 940.55
4. Step 4: Simplify right side
   2,789.48x = 3,936,070.07
5. Step 5: Solve for x
   x = 3,936,070.07/2,789.48
6. Step 6: Final answer
   x = 1,411.04