Finding the Fourth Proportional to 9,075.69, 13,595.31 and 6,615.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,075.69 : 13,595.31 = 6,615.72 : x
2. Step 2: Convert to fraction form
   9,075.69/13,595.31 = 6,615.72/x
3. Step 3: Cross multiply
   9,075.69x = 13,595.31 × 6,615.72
4. Step 4: Simplify right side
   9,075.69x = 89,942,764.27
5. Step 5: Solve for x
   x = 89,942,764.27/9,075.69
6. Step 6: Final answer
   x = 9,910.29