Finding the Fourth Proportional to 5,424.57, 8,089.34 and 5,375.30

Step by Step Solution

1. Step 1: Write the proportion equation
   5,424.57 : 8,089.34 = 5,375.30 : x
2. Step 2: Convert to fraction form
   5,424.57/8,089.34 = 5,375.30/x
3. Step 3: Cross multiply
   5,424.57x = 8,089.34 × 5,375.30
4. Step 4: Simplify right side
   5,424.57x = 43,482,561.98
5. Step 5: Solve for x
   x = 43,482,561.98/5,424.57
6. Step 6: Final answer
   x = 8,015.85