Finding the Fourth Proportional to 3,868.52, 5,339.40 and 2,377.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,868.52 : 5,339.40 = 2,377.22 : x
2. Step 2: Convert to fraction form
   3,868.52/5,339.40 = 2,377.22/x
3. Step 3: Cross multiply
   3,868.52x = 5,339.40 × 2,377.22
4. Step 4: Simplify right side
   3,868.52x = 12,692,928.47
5. Step 5: Solve for x
   x = 12,692,928.47/3,868.52
6. Step 6: Final answer
   x = 3,281.08