Finding the Fourth Proportional to 1,298.00, 1,944.28 and 1,078.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,298.00 : 1,944.28 = 1,078.09 : x
2. Step 2: Convert to fraction form
   1,298.00/1,944.28 = 1,078.09/x
3. Step 3: Cross multiply
   1,298.00x = 1,944.28 × 1,078.09
4. Step 4: Simplify right side
   1,298.00x = 2,096,105.31
5. Step 5: Solve for x
   x = 2,096,105.31/1,298.00
6. Step 6: Final answer
   x = 1,614.87