Finding the Fourth Proportional to 5,404.70, 7,456.77 and 3,165.05

Step by Step Solution

1. Step 1: Write the proportion equation
   5,404.70 : 7,456.77 = 3,165.05 : x
2. Step 2: Convert to fraction form
   5,404.70/7,456.77 = 3,165.05/x
3. Step 3: Cross multiply
   5,404.70x = 7,456.77 × 3,165.05
4. Step 4: Simplify right side
   5,404.70x = 23,601,012.60
5. Step 5: Solve for x
   x = 23,601,012.60/5,404.70
6. Step 6: Final answer
   x = 4,366.76