Finding the Fourth Proportional to 4,870.28, 6,706.83 and 4,231.92

Step by Step Solution

1. Step 1: Write the proportion equation
   4,870.28 : 6,706.83 = 4,231.92 : x
2. Step 2: Convert to fraction form
   4,870.28/6,706.83 = 4,231.92/x
3. Step 3: Cross multiply
   4,870.28x = 6,706.83 × 4,231.92
4. Step 4: Simplify right side
   4,870.28x = 28,382,768.01
5. Step 5: Solve for x
   x = 28,382,768.01/4,870.28
6. Step 6: Final answer
   x = 5,827.75