Finding the Fourth Proportional to 2,434.88, 3,353.38 and 2,309.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,434.88 : 3,353.38 = 2,309.72 : x
2. Step 2: Convert to fraction form
   2,434.88/3,353.38 = 2,309.72/x
3. Step 3: Cross multiply
   2,434.88x = 3,353.38 × 2,309.72
4. Step 4: Simplify right side
   2,434.88x = 7,745,368.85
5. Step 5: Solve for x
   x = 7,745,368.85/2,434.88
6. Step 6: Final answer
   x = 3,181.01