Finding the Fourth Proportional to 4,870.32, 6,706.91 and 4,231.98

Step by Step Solution

1. Step 1: Write the proportion equation
   4,870.32 : 6,706.91 = 4,231.98 : x
2. Step 2: Convert to fraction form
   4,870.32/6,706.91 = 4,231.98/x
3. Step 3: Cross multiply
   4,870.32x = 6,706.91 × 4,231.98
4. Step 4: Simplify right side
   4,870.32x = 28,383,487.82
5. Step 5: Solve for x
   x = 28,383,487.82/4,870.32
6. Step 6: Final answer
   x = 5,827.85