Finding the Fourth Proportional to 5,175.50, 7,766.42 and 2,057.00

Step by Step Solution

1. Step 1: Write the proportion equation
   5,175.50 : 7,766.42 = 2,057.00 : x
2. Step 2: Convert to fraction form
   5,175.50/7,766.42 = 2,057.00/x
3. Step 3: Cross multiply
   5,175.50x = 7,766.42 × 2,057.00
4. Step 4: Simplify right side
   5,175.50x = 15,975,476.82
5. Step 5: Solve for x
   x = 15,975,476.82/5,175.50
6. Step 6: Final answer
   x = 3,086.75