Finding the Fourth Proportional to 2,304.07, 3,179.72 and 1,309.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,304.07 : 3,179.72 = 1,309.39 : x
2. Step 2: Convert to fraction form
   2,304.07/3,179.72 = 1,309.39/x
3. Step 3: Cross multiply
   2,304.07x = 3,179.72 × 1,309.39
4. Step 4: Simplify right side
   2,304.07x = 4,163,488.89
5. Step 5: Solve for x
   x = 4,163,488.89/2,304.07
6. Step 6: Final answer
   x = 1,807.02