Finding the Fourth Proportional to 4,049.34, 6,076.98 and 3,127.20

Step by Step Solution

1. Step 1: Write the proportion equation
   4,049.34 : 6,076.98 = 3,127.20 : x
2. Step 2: Convert to fraction form
   4,049.34/6,076.98 = 3,127.20/x
3. Step 3: Cross multiply
   4,049.34x = 6,076.98 × 3,127.20
4. Step 4: Simplify right side
   4,049.34x = 19,003,931.86
5. Step 5: Solve for x
   x = 19,003,931.86/4,049.34
6. Step 6: Final answer
   x = 4,693.09