Finding the Fourth Proportional to 5,387.31, 7,435.71 and 3,150.27

Step by Step Solution

1. Step 1: Write the proportion equation
   5,387.31 : 7,435.71 = 3,150.27 : x
2. Step 2: Convert to fraction form
   5,387.31/7,435.71 = 3,150.27/x
3. Step 3: Cross multiply
   5,387.31x = 7,435.71 × 3,150.27
4. Step 4: Simplify right side
   5,387.31x = 23,424,494.14
5. Step 5: Solve for x
   x = 23,424,494.14/5,387.31
6. Step 6: Final answer
   x = 4,348.09