Finding the Fourth Proportional to 11,443.75, 17,163.60 and 5,202.30

Step by Step Solution

1. Step 1: Write the proportion equation
   11,443.75 : 17,163.60 = 5,202.30 : x
2. Step 2: Convert to fraction form
   11,443.75/17,163.60 = 5,202.30/x
3. Step 3: Cross multiply
   11,443.75x = 17,163.60 × 5,202.30
4. Step 4: Simplify right side
   11,443.75x = 89,290,196.28
5. Step 5: Solve for x
   x = 89,290,196.28/11,443.75
6. Step 6: Final answer
   x = 7,802.53