Finding the Fourth Proportional to 3,926.78, 5,410.23 and 2,527.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,926.78 : 5,410.23 = 2,527.10 : x
2. Step 2: Convert to fraction form
   3,926.78/5,410.23 = 2,527.10/x
3. Step 3: Cross multiply
   3,926.78x = 5,410.23 × 2,527.10
4. Step 4: Simplify right side
   3,926.78x = 13,672,192.23
5. Step 5: Solve for x
   x = 13,672,192.23/3,926.78
6. Step 6: Final answer
   x = 3,481.78