Finding the Fourth Proportional to 12,717.58, 17,551.29 and 7,054.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,717.58 : 17,551.29 = 7,054.10 : x
2. Step 2: Convert to fraction form
   12,717.58/17,551.29 = 7,054.10/x
3. Step 3: Cross multiply
   12,717.58x = 17,551.29 × 7,054.10
4. Step 4: Simplify right side
   12,717.58x = 123,808,554.79
5. Step 5: Solve for x
   x = 123,808,554.79/12,717.58
6. Step 6: Final answer
   x = 9,735.23