Finding the Fourth Proportional to 4,878.72, 7,300.80 and 3,776.04

Step by Step Solution

1. Step 1: Write the proportion equation
   4,878.72 : 7,300.80 = 3,776.04 : x
2. Step 2: Convert to fraction form
   4,878.72/7,300.80 = 3,776.04/x
3. Step 3: Cross multiply
   4,878.72x = 7,300.80 × 3,776.04
4. Step 4: Simplify right side
   4,878.72x = 27,568,112.83
5. Step 5: Solve for x
   x = 27,568,112.83/4,878.72
6. Step 6: Final answer
   x = 5,650.69