Finding the Fourth Proportional to 12,718.73, 17,551.88 and 7,053.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,718.73 : 17,551.88 = 7,053.54 : x
2. Step 2: Convert to fraction form
   12,718.73/17,551.88 = 7,053.54/x
3. Step 3: Cross multiply
   12,718.73x = 17,551.88 × 7,053.54
4. Step 4: Simplify right side
   12,718.73x = 123,802,905.29
5. Step 5: Solve for x
   x = 123,802,905.29/12,718.73
6. Step 6: Final answer
   x = 9,733.91