Finding the Fourth Proportional to 3,978.04, 5,492.18 and 2,562.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,978.04 : 5,492.18 = 2,562.42 : x
2. Step 2: Convert to fraction form
   3,978.04/5,492.18 = 2,562.42/x
3. Step 3: Cross multiply
   3,978.04x = 5,492.18 × 2,562.42
4. Step 4: Simplify right side
   3,978.04x = 14,073,271.88
5. Step 5: Solve for x
   x = 14,073,271.88/3,978.04
6. Step 6: Final answer
   x = 3,537.74