Finding the Fourth Proportional to 5,380.20, 8,075.52 and 5,084.37

Step by Step Solution

1. Step 1: Write the proportion equation
   5,380.20 : 8,075.52 = 5,084.37 : x
2. Step 2: Convert to fraction form
   5,380.20/8,075.52 = 5,084.37/x
3. Step 3: Cross multiply
   5,380.20x = 8,075.52 × 5,084.37
4. Step 4: Simplify right side
   5,380.20x = 41,058,931.62
5. Step 5: Solve for x
   x = 41,058,931.62/5,380.20
6. Step 6: Final answer
   x = 7,631.49