Finding the Fourth Proportional to 2,105.52, 3,158.96 and 1,009.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105.52 : 3,158.96 = 1,009.97 : x
2. Step 2: Convert to fraction form
   2,105.52/3,158.96 = 1,009.97/x
3. Step 3: Cross multiply
   2,105.52x = 3,158.96 × 1,009.97
4. Step 4: Simplify right side
   2,105.52x = 3,190,452.93
5. Step 5: Solve for x
   x = 3,190,452.93/2,105.52
6. Step 6: Final answer
   x = 1,515.28