Finding the Fourth Proportional to 12,718.19, 17,552.16 and 7,054.71

Step by Step Solution

1. Step 1: Write the proportion equation
   12,718.19 : 17,552.16 = 7,054.71 : x
2. Step 2: Convert to fraction form
   12,718.19/17,552.16 = 7,054.71/x
3. Step 3: Cross multiply
   12,718.19x = 17,552.16 × 7,054.71
4. Step 4: Simplify right side
   12,718.19x = 123,825,398.67
5. Step 5: Solve for x
   x = 123,825,398.67/12,718.19
6. Step 6: Final answer
   x = 9,736.09