Finding the Fourth Proportional to 2,789.58, 4,184.28 and 940.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,789.58 : 4,184.28 = 940.56 : x
2. Step 2: Convert to fraction form
   2,789.58/4,184.28 = 940.56/x
3. Step 3: Cross multiply
   2,789.58x = 4,184.28 × 940.56
4. Step 4: Simplify right side
   2,789.58x = 3,935,566.40
5. Step 5: Solve for x
   x = 3,935,566.40/2,789.58
6. Step 6: Final answer
   x = 1,410.81