Finding the Fourth Proportional to 3,869.88, 5,338.61 and 2,377.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,869.88 : 5,338.61 = 2,377.25 : x
2. Step 2: Convert to fraction form
   3,869.88/5,338.61 = 2,377.25/x
3. Step 3: Cross multiply
   3,869.88x = 5,338.61 × 2,377.25
4. Step 4: Simplify right side
   3,869.88x = 12,691,200.98
5. Step 5: Solve for x
   x = 12,691,200.98/3,869.88
6. Step 6: Final answer
   x = 3,279.48