Finding the Fourth Proportional to 11,860.38, 17,799.33 and 5,620.39

Step by Step Solution

1. Step 1: Write the proportion equation
   11,860.38 : 17,799.33 = 5,620.39 : x
2. Step 2: Convert to fraction form
   11,860.38/17,799.33 = 5,620.39/x
3. Step 3: Cross multiply
   11,860.38x = 17,799.33 × 5,620.39
4. Step 4: Simplify right side
   11,860.38x = 100,039,176.34
5. Step 5: Solve for x
   x = 100,039,176.34/11,860.38
6. Step 6: Final answer
   x = 8,434.74