Finding the Fourth Proportional to 2,105.08, 3,156.18 and 1,008.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105.08 : 3,156.18 = 1,008.28 : x
2. Step 2: Convert to fraction form
   2,105.08/3,156.18 = 1,008.28/x
3. Step 3: Cross multiply
   2,105.08x = 3,156.18 × 1,008.28
4. Step 4: Simplify right side
   2,105.08x = 3,182,313.17
5. Step 5: Solve for x
   x = 3,182,313.17/2,105.08
6. Step 6: Final answer
   x = 1,511.73