Finding the Fourth Proportional to 2,105.08, 3,156.66 and 1,009.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105.08 : 3,156.66 = 1,009.96 : x
2. Step 2: Convert to fraction form
   2,105.08/3,156.66 = 1,009.96/x
3. Step 3: Cross multiply
   2,105.08x = 3,156.66 × 1,009.96
4. Step 4: Simplify right side
   2,105.08x = 3,188,100.33
5. Step 5: Solve for x
   x = 3,188,100.33/2,105.08
6. Step 6: Final answer
   x = 1,514.48