Finding the Fourth Proportional to 12,940.46, 17,853.72 and 7,560.44

Step by Step Solution

1. Step 1: Write the proportion equation
   12,940.46 : 17,853.72 = 7,560.44 : x
2. Step 2: Convert to fraction form
   12,940.46/17,853.72 = 7,560.44/x
3. Step 3: Cross multiply
   12,940.46x = 17,853.72 × 7,560.44
4. Step 4: Simplify right side
   12,940.46x = 134,981,978.84
5. Step 5: Solve for x
   x = 134,981,978.84/12,940.46
6. Step 6: Final answer
   x = 10,431.00