Finding the Fourth Proportional to 9,475.05, 13,075.25 and 5,226.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,475.05 : 13,075.25 = 5,226.20 : x
2. Step 2: Convert to fraction form
   9,475.05/13,075.25 = 5,226.20/x
3. Step 3: Cross multiply
   9,475.05x = 13,075.25 × 5,226.20
4. Step 4: Simplify right side
   9,475.05x = 68,333,871.55
5. Step 5: Solve for x
   x = 68,333,871.55/9,475.05
6. Step 6: Final answer
   x = 7,211.98