Finding the Fourth Proportional to 6,111.54, 9,159.75 and 3,481.25

Step by Step Solution

1. Step 1: Write the proportion equation
   6,111.54 : 9,159.75 = 3,481.25 : x
2. Step 2: Convert to fraction form
   6,111.54/9,159.75 = 3,481.25/x
3. Step 3: Cross multiply
   6,111.54x = 9,159.75 × 3,481.25
4. Step 4: Simplify right side
   6,111.54x = 31,887,333.89
5. Step 5: Solve for x
   x = 31,887,333.89/6,111.54
6. Step 6: Final answer
   x = 5,217.56