Finding the Fourth Proportional to 5,401.65, 7,451.72 and 3,162.14

Step by Step Solution

1. Step 1: Write the proportion equation
   5,401.65 : 7,451.72 = 3,162.14 : x
2. Step 2: Convert to fraction form
   5,401.65/7,451.72 = 3,162.14/x
3. Step 3: Cross multiply
   5,401.65x = 7,451.72 × 3,162.14
4. Step 4: Simplify right side
   5,401.65x = 23,563,328.81
5. Step 5: Solve for x
   x = 23,563,328.81/5,401.65
6. Step 6: Final answer
   x = 4,362.25