Finding the Fourth Proportional to 5,719.91, 8,622.72 and 5,338.89

Step by Step Solution

1. Step 1: Write the proportion equation
   5,719.91 : 8,622.72 = 5,338.89 : x
2. Step 2: Convert to fraction form
   5,719.91/8,622.72 = 5,338.89/x
3. Step 3: Cross multiply
   5,719.91x = 8,622.72 × 5,338.89
4. Step 4: Simplify right side
   5,719.91x = 46,035,753.58
5. Step 5: Solve for x
   x = 46,035,753.58/5,719.91
6. Step 6: Final answer
   x = 8,048.34