Finding the Fourth Proportional to 7,019.97, 9,687.37 and 3,876.09

Step by Step Solution

1. Step 1: Write the proportion equation
   7,019.97 : 9,687.37 = 3,876.09 : x
2. Step 2: Convert to fraction form
   7,019.97/9,687.37 = 3,876.09/x
3. Step 3: Cross multiply
   7,019.97x = 9,687.37 × 3,876.09
4. Step 4: Simplify right side
   7,019.97x = 37,549,117.98
5. Step 5: Solve for x
   x = 37,549,117.98/7,019.97
6. Step 6: Final answer
   x = 5,348.90