Finding the Fourth Proportional to 32,831.89, 49,243.71 and 9,141.21

Step by Step Solution

1. Step 1: Write the proportion equation
   32,831.89 : 49,243.71 = 9,141.21 : x
2. Step 2: Convert to fraction form
   32,831.89/49,243.71 = 9,141.21/x
3. Step 3: Cross multiply
   32,831.89x = 49,243.71 × 9,141.21
4. Step 4: Simplify right side
   32,831.89x = 450,147,094.29
5. Step 5: Solve for x
   x = 450,147,094.29/32,831.89
6. Step 6: Final answer
   x = 13,710.67