Finding the Fourth Proportional to 2,309.94, 3,186.81 and 1,470.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,309.94 : 3,186.81 = 1,470.42 : x
2. Step 2: Convert to fraction form
   2,309.94/3,186.81 = 1,470.42/x
3. Step 3: Cross multiply
   2,309.94x = 3,186.81 × 1,470.42
4. Step 4: Simplify right side
   2,309.94x = 4,685,949.16
5. Step 5: Solve for x
   x = 4,685,949.16/2,309.94
6. Step 6: Final answer
   x = 2,028.60