Finding the Fourth Proportional to 3,956.86, 5,462.31 and 2,560.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,956.86 : 5,462.31 = 2,560.06 : x
2. Step 2: Convert to fraction form
   3,956.86/5,462.31 = 2,560.06/x
3. Step 3: Cross multiply
   3,956.86x = 5,462.31 × 2,560.06
4. Step 4: Simplify right side
   3,956.86x = 13,983,841.34
5. Step 5: Solve for x
   x = 13,983,841.34/3,956.86
6. Step 6: Final answer
   x = 3,534.08