Finding the Fourth Proportional to 7,019.16, 9,686.52 and 3,875.48

Step by Step Solution

1. Step 1: Write the proportion equation
   7,019.16 : 9,686.52 = 3,875.48 : x
2. Step 2: Convert to fraction form
   7,019.16/9,686.52 = 3,875.48/x
3. Step 3: Cross multiply
   7,019.16x = 9,686.52 × 3,875.48
4. Step 4: Simplify right side
   7,019.16x = 37,539,914.53
5. Step 5: Solve for x
   x = 37,539,914.53/7,019.16
6. Step 6: Final answer
   x = 5,348.21