Finding the Fourth Proportional to 12,718.40, 17,550.54 and 7,052.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,718.40 : 17,550.54 = 7,052.94 : x
2. Step 2: Convert to fraction form
   12,718.40/17,550.54 = 7,052.94/x
3. Step 3: Cross multiply
   12,718.40x = 17,550.54 × 7,052.94
4. Step 4: Simplify right side
   12,718.40x = 123,782,905.59
5. Step 5: Solve for x
   x = 123,782,905.59/12,718.40
6. Step 6: Final answer
   x = 9,732.58