Finding the Fourth Proportional to 2,094.56, 3,139.68 and 940.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,094.56 : 3,139.68 = 940.64 : x
2. Step 2: Convert to fraction form
   2,094.56/3,139.68 = 940.64/x
3. Step 3: Cross multiply
   2,094.56x = 3,139.68 × 940.64
4. Step 4: Simplify right side
   2,094.56x = 2,953,308.60
5. Step 5: Solve for x
   x = 2,953,308.60/2,094.56
6. Step 6: Final answer
   x = 1,409.99