Finding the Fourth Proportional to 12,841.29, 17,719.24 and 7,175.33

Step by Step Solution

1. Step 1: Write the proportion equation
   12,841.29 : 17,719.24 = 7,175.33 : x
2. Step 2: Convert to fraction form
   12,841.29/17,719.24 = 7,175.33/x
3. Step 3: Cross multiply
   12,841.29x = 17,719.24 × 7,175.33
4. Step 4: Simplify right side
   12,841.29x = 127,141,287.81
5. Step 5: Solve for x
   x = 127,141,287.81/12,841.29
6. Step 6: Final answer
   x = 9,900.97