Finding the Fourth Proportional to 2,434.64, 3,352.72 and 2,115.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,434.64 : 3,352.72 = 2,115.46 : x
2. Step 2: Convert to fraction form
   2,434.64/3,352.72 = 2,115.46/x
3. Step 3: Cross multiply
   2,434.64x = 3,352.72 × 2,115.46
4. Step 4: Simplify right side
   2,434.64x = 7,092,545.05
5. Step 5: Solve for x
   x = 7,092,545.05/2,434.64
6. Step 6: Final answer
   x = 2,913.18