Finding the Fourth Proportional to 11,641, 17,469.18 and 5,485.48

Step by Step Solution

1. Step 1: Write the proportion equation
   11,641 : 17,469.18 = 5,485.48 : x
2. Step 2: Convert to fraction form
   11,641/17,469.18 = 5,485.48/x
3. Step 3: Cross multiply
   11,641x = 17,469.18 × 5,485.48
4. Step 4: Simplify right side
   11,641x = 95,826,837.51
5. Step 5: Solve for x
   x = 95,826,837.51/11,641
6. Step 6: Final answer
   x = 8,231.84