Finding the Fourth Proportional to 19,783.62, 27,301.40 and 10,831.10

Step by Step Solution

1. Step 1: Write the proportion equation
   19,783.62 : 27,301.40 = 10,831.10 : x
2. Step 2: Convert to fraction form
   19,783.62/27,301.40 = 10,831.10/x
3. Step 3: Cross multiply
   19,783.62x = 27,301.40 × 10,831.10
4. Step 4: Simplify right side
   19,783.62x = 295,704,002.88
5. Step 5: Solve for x
   x = 295,704,002.88/19,783.62
6. Step 6: Final answer
   x = 14,946.91