Finding the Fourth Proportional to 5,399.34, 8,091.72 and 4,757.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,399.34 : 8,091.72 = 4,757.82 : x
2. Step 2: Convert to fraction form
   5,399.34/8,091.72 = 4,757.82/x
3. Step 3: Cross multiply
   5,399.34x = 8,091.72 × 4,757.82
4. Step 4: Simplify right side
   5,399.34x = 38,498,947.25
5. Step 5: Solve for x
   x = 38,498,947.25/5,399.34
6. Step 6: Final answer
   x = 7,130.31