Finding the Fourth Proportional to 21,884.72, 32,831.16 and 7,092.32

Step by Step Solution

1. Step 1: Write the proportion equation
   21,884.72 : 32,831.16 = 7,092.32 : x
2. Step 2: Convert to fraction form
   21,884.72/32,831.16 = 7,092.32/x
3. Step 3: Cross multiply
   21,884.72x = 32,831.16 × 7,092.32
4. Step 4: Simplify right side
   21,884.72x = 232,849,092.69
5. Step 5: Solve for x
   x = 232,849,092.69/21,884.72
6. Step 6: Final answer
   x = 10,639.80