Finding the Fourth Proportional to 3,411.72, 4,708.98 and 2,169

Step by Step Solution

1. Step 1: Write the proportion equation
   3,411.72 : 4,708.98 = 2,169 : x
2. Step 2: Convert to fraction form
   3,411.72/4,708.98 = 2,169/x
3. Step 3: Cross multiply
   3,411.72x = 4,708.98 × 2,169
4. Step 4: Simplify right side
   3,411.72x = 10,213,777.62
5. Step 5: Solve for x
   x = 10,213,777.62/3,411.72
6. Step 6: Final answer
   x = 2,993.73