Finding the Fourth Proportional to 9,075.30, 13,610.79 and 3,528.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,075.30 : 13,610.79 = 3,528.42 : x
2. Step 2: Convert to fraction form
   9,075.30/13,610.79 = 3,528.42/x
3. Step 3: Cross multiply
   9,075.30x = 13,610.79 × 3,528.42
4. Step 4: Simplify right side
   9,075.30x = 48,024,583.65
5. Step 5: Solve for x
   x = 48,024,583.65/9,075.30
6. Step 6: Final answer
   x = 5,291.79