Finding the Fourth Proportional to 5,365.45, 7,404.83 and 3,127.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,365.45 : 7,404.83 = 3,127.15 : x
2. Step 2: Convert to fraction form
   5,365.45/7,404.83 = 3,127.15/x
3. Step 3: Cross multiply
   5,365.45x = 7,404.83 × 3,127.15
4. Step 4: Simplify right side
   5,365.45x = 23,156,014.13
5. Step 5: Solve for x
   x = 23,156,014.13/5,365.45
6. Step 6: Final answer
   x = 4,315.76