Finding the Fourth Proportional to 3,409.72, 4,705.56 and 2,150.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,409.72 : 4,705.56 = 2,150.32 : x
2. Step 2: Convert to fraction form
   3,409.72/4,705.56 = 2,150.32/x
3. Step 3: Cross multiply
   3,409.72x = 4,705.56 × 2,150.32
4. Step 4: Simplify right side
   3,409.72x = 10,118,459.78
5. Step 5: Solve for x
   x = 10,118,459.78/3,409.72
6. Step 6: Final answer
   x = 2,967.53