Finding the Fourth Proportional to 5,809.22, 8,016.89 and 3,156.81

Step by Step Solution

1. Step 1: Write the proportion equation
   5,809.22 : 8,016.89 = 3,156.81 : x
2. Step 2: Convert to fraction form
   5,809.22/8,016.89 = 3,156.81/x
3. Step 3: Cross multiply
   5,809.22x = 8,016.89 × 3,156.81
4. Step 4: Simplify right side
   5,809.22x = 25,307,798.52
5. Step 5: Solve for x
   x = 25,307,798.52/5,809.22
6. Step 6: Final answer
   x = 4,356.49