Finding the Fourth Proportional to 7,019.98, 9,687.38 and 3,876.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,019.98 : 9,687.38 = 3,876.10 : x
2. Step 2: Convert to fraction form
   7,019.98/9,687.38 = 3,876.10/x
3. Step 3: Cross multiply
   7,019.98x = 9,687.38 × 3,876.10
4. Step 4: Simplify right side
   7,019.98x = 37,549,253.62
5. Step 5: Solve for x
   x = 37,549,253.62/7,019.98
6. Step 6: Final answer
   x = 5,348.91