Finding the Fourth Proportional to 5,859.69, 8,081.42 and 5,276.49

Step by Step Solution

1. Step 1: Write the proportion equation
   5,859.69 : 8,081.42 = 5,276.49 : x
2. Step 2: Convert to fraction form
   5,859.69/8,081.42 = 5,276.49/x
3. Step 3: Cross multiply
   5,859.69x = 8,081.42 × 5,276.49
4. Step 4: Simplify right side
   5,859.69x = 42,641,505.43
5. Step 5: Solve for x
   x = 42,641,505.43/5,859.69
6. Step 6: Final answer
   x = 7,277.09