Finding the Fourth Proportional to 3,965.78, 5,943.98 and 1,624.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,965.78 : 5,943.98 = 1,624.34 : x
2. Step 2: Convert to fraction form
   3,965.78/5,943.98 = 1,624.34/x
3. Step 3: Cross multiply
   3,965.78x = 5,943.98 × 1,624.34
4. Step 4: Simplify right side
   3,965.78x = 9,655,063.39
5. Step 5: Solve for x
   x = 9,655,063.39/3,965.78
6. Step 6: Final answer
   x = 2,434.59