Finding the Fourth Proportional to 11,498.16, 17,243.56 and 3,705.15

Step by Step Solution

1. Step 1: Write the proportion equation
   11,498.16 : 17,243.56 = 3,705.15 : x
2. Step 2: Convert to fraction form
   11,498.16/17,243.56 = 3,705.15/x
3. Step 3: Cross multiply
   11,498.16x = 17,243.56 × 3,705.15
4. Step 4: Simplify right side
   11,498.16x = 63,889,976.33
5. Step 5: Solve for x
   x = 63,889,976.33/11,498.16
6. Step 6: Final answer
   x = 5,556.54