Finding the Fourth Proportional to 2,952.77, 4,429.55 and 1,309.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,952.77 : 4,429.55 = 1,309.28 : x
2. Step 2: Convert to fraction form
   2,952.77/4,429.55 = 1,309.28/x
3. Step 3: Cross multiply
   2,952.77x = 4,429.55 × 1,309.28
4. Step 4: Simplify right side
   2,952.77x = 5,799,502.35
5. Step 5: Solve for x
   x = 5,799,502.35/2,952.77
6. Step 6: Final answer
   x = 1,964.09