Finding the Fourth Proportional to 14,119.31, 19,485.56 and 7,831.69

Step by Step Solution

1. Step 1: Write the proportion equation
   14,119.31 : 19,485.56 = 7,831.69 : x
2. Step 2: Convert to fraction form
   14,119.31/19,485.56 = 7,831.69/x
3. Step 3: Cross multiply
   14,119.31x = 19,485.56 × 7,831.69
4. Step 4: Simplify right side
   14,119.31x = 152,604,836.26
5. Step 5: Solve for x
   x = 152,604,836.26/14,119.31
6. Step 6: Final answer
   x = 10,808.23