Finding the Fourth Proportional to 2,139.03, 2,952.06 and 1,299.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,139.03 : 2,952.06 = 1,299.54 : x
2. Step 2: Convert to fraction form
   2,139.03/2,952.06 = 1,299.54/x
3. Step 3: Cross multiply
   2,139.03x = 2,952.06 × 1,299.54
4. Step 4: Simplify right side
   2,139.03x = 3,836,320.05
5. Step 5: Solve for x
   x = 3,836,320.05/2,139.03
6. Step 6: Final answer
   x = 1,793.49