Finding the Fourth Proportional to 5,581.39, 8,369.79 and 2,071.59

Step by Step Solution

1. Step 1: Write the proportion equation
   5,581.39 : 8,369.79 = 2,071.59 : x
2. Step 2: Convert to fraction form
   5,581.39/8,369.79 = 2,071.59/x
3. Step 3: Cross multiply
   5,581.39x = 8,369.79 × 2,071.59
4. Step 4: Simplify right side
   5,581.39x = 17,338,773.27
5. Step 5: Solve for x
   x = 17,338,773.27/5,581.39
6. Step 6: Final answer
   x = 3,106.53