Finding the Fourth Proportional to 5,678.72, 8,522.24 and 3,730.24

Step by Step Solution

1. Step 1: Write the proportion equation
   5,678.72 : 8,522.24 = 3,730.24 : x
2. Step 2: Convert to fraction form
   5,678.72/8,522.24 = 3,730.24/x
3. Step 3: Cross multiply
   5,678.72x = 8,522.24 × 3,730.24
4. Step 4: Simplify right side
   5,678.72x = 31,790,000.54
5. Step 5: Solve for x
   x = 31,790,000.54/5,678.72
6. Step 6: Final answer
   x = 5,598.09