Finding the Fourth Proportional to 12,640.35, 17,441.01 and 7,334.49

Step by Step Solution

1. Step 1: Write the proportion equation
   12,640.35 : 17,441.01 = 7,334.49 : x
2. Step 2: Convert to fraction form
   12,640.35/17,441.01 = 7,334.49/x
3. Step 3: Cross multiply
   12,640.35x = 17,441.01 × 7,334.49
4. Step 4: Simplify right side
   12,640.35x = 127,920,913.43
5. Step 5: Solve for x
   x = 127,920,913.43/12,640.35
6. Step 6: Final answer
   x = 10,120.05