Finding the Fourth Proportional to 12,075.35, 18,118.49 and 9,297.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,075.35 : 18,118.49 = 9,297.86 : x
2. Step 2: Convert to fraction form
   12,075.35/18,118.49 = 9,297.86/x
3. Step 3: Cross multiply
   12,075.35x = 18,118.49 × 9,297.86
4. Step 4: Simplify right side
   12,075.35x = 168,463,046.35
5. Step 5: Solve for x
   x = 168,463,046.35/12,075.35
6. Step 6: Final answer
   x = 13,950.99