Finding the Fourth Proportional to 12,075.72, 16,662.69 and 6,901.21

Step by Step Solution

1. Step 1: Write the proportion equation
   12,075.72 : 16,662.69 = 6,901.21 : x
2. Step 2: Convert to fraction form
   12,075.72/16,662.69 = 6,901.21/x
3. Step 3: Cross multiply
   12,075.72x = 16,662.69 × 6,901.21
4. Step 4: Simplify right side
   12,075.72x = 114,992,722.85
5. Step 5: Solve for x
   x = 114,992,722.85/12,075.72
6. Step 6: Final answer
   x = 9,522.64