Finding the Fourth Proportional to 11,443.10, 17,175.45 and 7,069.10

Step by Step Solution

1. Step 1: Write the proportion equation
   11,443.10 : 17,175.45 = 7,069.10 : x
2. Step 2: Convert to fraction form
   11,443.10/17,175.45 = 7,069.10/x
3. Step 3: Cross multiply
   11,443.10x = 17,175.45 × 7,069.10
4. Step 4: Simplify right side
   11,443.10x = 121,414,973.60
5. Step 5: Solve for x
   x = 121,414,973.60/11,443.10
6. Step 6: Final answer
   x = 10,610.32