Finding the Fourth Proportional to 7,019.05, 9,686.30 and 3,875.24

Step by Step Solution

1. Step 1: Write the proportion equation
   7,019.05 : 9,686.30 = 3,875.24 : x
2. Step 2: Convert to fraction form
   7,019.05/9,686.30 = 3,875.24/x
3. Step 3: Cross multiply
   7,019.05x = 9,686.30 × 3,875.24
4. Step 4: Simplify right side
   7,019.05x = 37,536,669.40
5. Step 5: Solve for x
   x = 37,536,669.40/7,019.05
6. Step 6: Final answer
   x = 5,347.83