Finding the Fourth Proportional to 5,401.78, 7,450.43 and 4,796.86

Step by Step Solution

1. Step 1: Write the proportion equation
   5,401.78 : 7,450.43 = 4,796.86 : x
2. Step 2: Convert to fraction form
   5,401.78/7,450.43 = 4,796.86/x
3. Step 3: Cross multiply
   5,401.78x = 7,450.43 × 4,796.86
4. Step 4: Simplify right side
   5,401.78x = 35,738,669.65
5. Step 5: Solve for x
   x = 35,738,669.65/5,401.78
6. Step 6: Final answer
   x = 6,616.09