Finding the Fourth Proportional to 4,831.31, 6,665.61 and 3,338.69

Step by Step Solution

1. Step 1: Write the proportion equation
   4,831.31 : 6,665.61 = 3,338.69 : x
2. Step 2: Convert to fraction form
   4,831.31/6,665.61 = 3,338.69/x
3. Step 3: Cross multiply
   4,831.31x = 6,665.61 × 3,338.69
4. Step 4: Simplify right side
   4,831.31x = 22,254,405.45
5. Step 5: Solve for x
   x = 22,254,405.45/4,831.31
6. Step 6: Final answer
   x = 4,606.29