Finding the Fourth Proportional to 5,401.88, 7,455.98 and 3,518.16

Step by Step Solution

1. Step 1: Write the proportion equation
   5,401.88 : 7,455.98 = 3,518.16 : x
2. Step 2: Convert to fraction form
   5,401.88/7,455.98 = 3,518.16/x
3. Step 3: Cross multiply
   5,401.88x = 7,455.98 × 3,518.16
4. Step 4: Simplify right side
   5,401.88x = 26,231,330.60
5. Step 5: Solve for x
   x = 26,231,330.60/5,401.88
6. Step 6: Final answer
   x = 4,855.96