Finding the Fourth Proportional to 3,928.72, 5,886.78 and 2,541.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,928.72 : 5,886.78 = 2,541.04 : x
2. Step 2: Convert to fraction form
   3,928.72/5,886.78 = 2,541.04/x
3. Step 3: Cross multiply
   3,928.72x = 5,886.78 × 2,541.04
4. Step 4: Simplify right side
   3,928.72x = 14,958,543.45
5. Step 5: Solve for x
   x = 14,958,543.45/3,928.72
6. Step 6: Final answer
   x = 3,807.49