Finding the Fourth Proportional to 5,175.31, 7,766.73 and 3,880.27

Step by Step Solution

1. Step 1: Write the proportion equation
   5,175.31 : 7,766.73 = 3,880.27 : x
2. Step 2: Convert to fraction form
   5,175.31/7,766.73 = 3,880.27/x
3. Step 3: Cross multiply
   5,175.31x = 7,766.73 × 3,880.27
4. Step 4: Simplify right side
   5,175.31x = 30,136,990.02
5. Step 5: Solve for x
   x = 30,136,990.02/5,175.31
6. Step 6: Final answer
   x = 5,823.22