Finding the Fourth Proportional to 3,837.50, 5,756.78 and 1,371.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,837.50 : 5,756.78 = 1,371.80 : x
2. Step 2: Convert to fraction form
   3,837.50/5,756.78 = 1,371.80/x
3. Step 3: Cross multiply
   3,837.50x = 5,756.78 × 1,371.80
4. Step 4: Simplify right side
   3,837.50x = 7,897,150.80
5. Step 5: Solve for x
   x = 7,897,150.80/3,837.50
6. Step 6: Final answer
   x = 2,057.89