Finding the Fourth Proportional to 2,565.59, 3,846.06 and 1,331.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,565.59 : 3,846.06 = 1,331.56 : x
2. Step 2: Convert to fraction form
   2,565.59/3,846.06 = 1,331.56/x
3. Step 3: Cross multiply
   2,565.59x = 3,846.06 × 1,331.56
4. Step 4: Simplify right side
   2,565.59x = 5,121,250.04
5. Step 5: Solve for x
   x = 5,121,250.04/2,565.59
6. Step 6: Final answer
   x = 1,996.13