Finding the Fourth Proportional to 5,706.68, 7,872.27 and 3,612.02

Step by Step Solution

1. Step 1: Write the proportion equation
   5,706.68 : 7,872.27 = 3,612.02 : x
2. Step 2: Convert to fraction form
   5,706.68/7,872.27 = 3,612.02/x
3. Step 3: Cross multiply
   5,706.68x = 7,872.27 × 3,612.02
4. Step 4: Simplify right side
   5,706.68x = 28,434,796.69
5. Step 5: Solve for x
   x = 28,434,796.69/5,706.68
6. Step 6: Final answer
   x = 4,982.72