Finding the Fourth Proportional to 14,204.78, 19,601.71 and 7,831.04

Step by Step Solution

1. Step 1: Write the proportion equation
   14,204.78 : 19,601.71 = 7,831.04 : x
2. Step 2: Convert to fraction form
   14,204.78/19,601.71 = 7,831.04/x
3. Step 3: Cross multiply
   14,204.78x = 19,601.71 × 7,831.04
4. Step 4: Simplify right side
   14,204.78x = 153,501,755.50
5. Step 5: Solve for x
   x = 153,501,755.50/14,204.78
6. Step 6: Final answer
   x = 10,806.35