Finding the Fourth Proportional to 11,398.98, 17,104.61 and 5,555.60

Step by Step Solution

1. Step 1: Write the proportion equation
   11,398.98 : 17,104.61 = 5,555.60 : x
2. Step 2: Convert to fraction form
   11,398.98/17,104.61 = 5,555.60/x
3. Step 3: Cross multiply
   11,398.98x = 17,104.61 × 5,555.60
4. Step 4: Simplify right side
   11,398.98x = 95,026,258.01
5. Step 5: Solve for x
   x = 95,026,258.01/11,398.98
6. Step 6: Final answer
   x = 8,336.38