Finding the Fourth Proportional to 4,945.74, 6,822.27 and 3,079.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,945.74 : 6,822.27 = 3,079.50 : x
2. Step 2: Convert to fraction form
   4,945.74/6,822.27 = 3,079.50/x
3. Step 3: Cross multiply
   4,945.74x = 6,822.27 × 3,079.50
4. Step 4: Simplify right side
   4,945.74x = 21,009,180.47
5. Step 5: Solve for x
   x = 21,009,180.47/4,945.74
6. Step 6: Final answer
   x = 4,247.93