Finding the Fourth Proportional to 5,388.00, 7,435.72 and 3,151.18

Step by Step Solution

1. Step 1: Write the proportion equation
   5,388.00 : 7,435.72 = 3,151.18 : x
2. Step 2: Convert to fraction form
   5,388.00/7,435.72 = 3,151.18/x
3. Step 3: Cross multiply
   5,388.00x = 7,435.72 × 3,151.18
4. Step 4: Simplify right side
   5,388.00x = 23,431,305.38
5. Step 5: Solve for x
   x = 23,431,305.38/5,388.00
6. Step 6: Final answer
   x = 4,348.80