Finding the Fourth Proportional to 2,847.69, 3,928.32 and 2,473.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,847.69 : 3,928.32 = 2,473.83 : x
2. Step 2: Convert to fraction form
   2,847.69/3,928.32 = 2,473.83/x
3. Step 3: Cross multiply
   2,847.69x = 3,928.32 × 2,473.83
4. Step 4: Simplify right side
   2,847.69x = 9,717,995.87
5. Step 5: Solve for x
   x = 9,717,995.87/2,847.69
6. Step 6: Final answer
   x = 3,412.59