Finding the Fourth Proportional to 12,718.82, 17,553 and 7,054.14

Step by Step Solution

1. Step 1: Write the proportion equation
   12,718.82 : 17,553 = 7,054.14 : x
2. Step 2: Convert to fraction form
   12,718.82/17,553 = 7,054.14/x
3. Step 3: Cross multiply
   12,718.82x = 17,553 × 7,054.14
4. Step 4: Simplify right side
   12,718.82x = 123,821,319.42
5. Step 5: Solve for x
   x = 123,821,319.42/12,718.82
6. Step 6: Final answer
   x = 9,735.28