Finding the Fourth Proportional to 5,399.82, 7,450.56 and 3,160.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,399.82 : 7,450.56 = 3,160.56 : x
2. Step 2: Convert to fraction form
   5,399.82/7,450.56 = 3,160.56/x
3. Step 3: Cross multiply
   5,399.82x = 7,450.56 × 3,160.56
4. Step 4: Simplify right side
   5,399.82x = 23,547,941.91
5. Step 5: Solve for x
   x = 23,547,941.91/5,399.82
6. Step 6: Final answer
   x = 4,360.88