Finding the Fourth Proportional to 2,005.05, 3,007.28 and 706.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,005.05 : 3,007.28 = 706.22 : x
2. Step 2: Convert to fraction form
   2,005.05/3,007.28 = 706.22/x
3. Step 3: Cross multiply
   2,005.05x = 3,007.28 × 706.22
4. Step 4: Simplify right side
   2,005.05x = 2,123,795.32
5. Step 5: Solve for x
   x = 2,123,795.32/2,005.05
6. Step 6: Final answer
   x = 1,059.22