Finding the Fourth Proportional to 7,019.50, 9,687.06 and 3,875.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,019.50 : 9,687.06 = 3,875.50 : x
2. Step 2: Convert to fraction form
   7,019.50/9,687.06 = 3,875.50/x
3. Step 3: Cross multiply
   7,019.50x = 9,687.06 × 3,875.50
4. Step 4: Simplify right side
   7,019.50x = 37,542,201.03
5. Step 5: Solve for x
   x = 37,542,201.03/7,019.50
6. Step 6: Final answer
   x = 5,348.27