Finding the Fourth Proportional to 5,399.02, 7,451.76 and 3,162.07

Step by Step Solution

1. Step 1: Write the proportion equation
   5,399.02 : 7,451.76 = 3,162.07 : x
2. Step 2: Convert to fraction form
   5,399.02/7,451.76 = 3,162.07/x
3. Step 3: Cross multiply
   5,399.02x = 7,451.76 × 3,162.07
4. Step 4: Simplify right side
   5,399.02x = 23,562,986.74
5. Step 5: Solve for x
   x = 23,562,986.74/5,399.02
6. Step 6: Final answer
   x = 4,364.31