Finding the Fourth Proportional to 2,105.70, 3,152.31 and 1,560.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105.70 : 3,152.31 = 1,560.33 : x
2. Step 2: Convert to fraction form
   2,105.70/3,152.31 = 1,560.33/x
3. Step 3: Cross multiply
   2,105.70x = 3,152.31 × 1,560.33
4. Step 4: Simplify right side
   2,105.70x = 4,918,643.86
5. Step 5: Solve for x
   x = 4,918,643.86/2,105.70
6. Step 6: Final answer
   x = 2,335.87