Finding the Fourth Proportional to 7,019.36, 9,686.74 and 3,875.54

Step by Step Solution

1. Step 1: Write the proportion equation
   7,019.36 : 9,686.74 = 3,875.54 : x
2. Step 2: Convert to fraction form
   7,019.36/9,686.74 = 3,875.54/x
3. Step 3: Cross multiply
   7,019.36x = 9,686.74 × 3,875.54
4. Step 4: Simplify right side
   7,019.36x = 37,541,348.34
5. Step 5: Solve for x
   x = 37,541,348.34/7,019.36
6. Step 6: Final answer
   x = 5,348.26