Finding the Fourth Proportional to 5,799.12, 8,002.56 and 3,561.09

Step by Step Solution

1. Step 1: Write the proportion equation
   5,799.12 : 8,002.56 = 3,561.09 : x
2. Step 2: Convert to fraction form
   5,799.12/8,002.56 = 3,561.09/x
3. Step 3: Cross multiply
   5,799.12x = 8,002.56 × 3,561.09
4. Step 4: Simplify right side
   5,799.12x = 28,497,836.39
5. Step 5: Solve for x
   x = 28,497,836.39/5,799.12
6. Step 6: Final answer
   x = 4,914.17