Finding the Fourth Proportional to 6,075.72, 8,385.24 and 3,423.24

Step by Step Solution

1. Step 1: Write the proportion equation
   6,075.72 : 8,385.24 = 3,423.24 : x
2. Step 2: Convert to fraction form
   6,075.72/8,385.24 = 3,423.24/x
3. Step 3: Cross multiply
   6,075.72x = 8,385.24 × 3,423.24
4. Step 4: Simplify right side
   6,075.72x = 28,704,688.98
5. Step 5: Solve for x
   x = 28,704,688.98/6,075.72
6. Step 6: Final answer
   x = 4,724.49