Finding the Fourth Proportional to 7,019.73, 9,686.79 and 3,875.94

Step by Step Solution

1. Step 1: Write the proportion equation
   7,019.73 : 9,686.79 = 3,875.94 : x
2. Step 2: Convert to fraction form
   7,019.73/9,686.79 = 3,875.94/x
3. Step 3: Cross multiply
   7,019.73x = 9,686.79 × 3,875.94
4. Step 4: Simplify right side
   7,019.73x = 37,545,416.83
5. Step 5: Solve for x
   x = 37,545,416.83/7,019.73
6. Step 6: Final answer
   x = 5,348.56