Finding the Fourth Proportional to 2,434.05, 3,646.62 and 2,171.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,434.05 : 3,646.62 = 2,171.61 : x
2. Step 2: Convert to fraction form
   2,434.05/3,646.62 = 2,171.61/x
3. Step 3: Cross multiply
   2,434.05x = 3,646.62 × 2,171.61
4. Step 4: Simplify right side
   2,434.05x = 7,919,036.46
5. Step 5: Solve for x
   x = 7,919,036.46/2,434.05
6. Step 6: Final answer
   x = 3,253.44