Finding the Fourth Proportional to 11,799.18, 17,698.82 and 3,479.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,799.18 : 17,698.82 = 3,479.31 : x
2. Step 2: Convert to fraction form
   11,799.18/17,698.82 = 3,479.31/x
3. Step 3: Cross multiply
   11,799.18x = 17,698.82 × 3,479.31
4. Step 4: Simplify right side
   11,799.18x = 61,579,664.02
5. Step 5: Solve for x
   x = 61,579,664.02/11,799.18
6. Step 6: Final answer
   x = 5,218.98