Finding the Fourth Proportional to 3,919.28, 5,870.28 and 2,377.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,919.28 : 5,870.28 = 2,377.04 : x
2. Step 2: Convert to fraction form
   3,919.28/5,870.28 = 2,377.04/x
3. Step 3: Cross multiply
   3,919.28x = 5,870.28 × 2,377.04
4. Step 4: Simplify right side
   3,919.28x = 13,953,890.37
5. Step 5: Solve for x
   x = 13,953,890.37/3,919.28
6. Step 6: Final answer
   x = 3,560.32