Finding the Fourth Proportional to 5,365.57, 7,404.15 and 3,127.36

Step by Step Solution

1. Step 1: Write the proportion equation
   5,365.57 : 7,404.15 = 3,127.36 : x
2. Step 2: Convert to fraction form
   5,365.57/7,404.15 = 3,127.36/x
3. Step 3: Cross multiply
   5,365.57x = 7,404.15 × 3,127.36
4. Step 4: Simplify right side
   5,365.57x = 23,155,442.54
5. Step 5: Solve for x
   x = 23,155,442.54/5,365.57
6. Step 6: Final answer
   x = 4,315.56