Finding the Fourth Proportional to 3,901.37, 5,384.27 and 2,223.45

Step by Step Solution

1. Step 1: Write the proportion equation
   3,901.37 : 5,384.27 = 2,223.45 : x
2. Step 2: Convert to fraction form
   3,901.37/5,384.27 = 2,223.45/x
3. Step 3: Cross multiply
   3,901.37x = 5,384.27 × 2,223.45
4. Step 4: Simplify right side
   3,901.37x = 11,971,660.69
5. Step 5: Solve for x
   x = 11,971,660.69/3,901.37
6. Step 6: Final answer
   x = 3,068.58