Finding the Fourth Proportional to 2,105.10, 3,154.10 and 1,007.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105.10 : 3,154.10 = 1,007.06 : x
2. Step 2: Convert to fraction form
   2,105.10/3,154.10 = 1,007.06/x
3. Step 3: Cross multiply
   2,105.10x = 3,154.10 × 1,007.06
4. Step 4: Simplify right side
   2,105.10x = 3,176,347.14
5. Step 5: Solve for x
   x = 3,176,347.14/2,105.10
6. Step 6: Final answer
   x = 1,508.88