Finding the Fourth Proportional to 21,085.08, 31,632.42 and 7,233.24

Step by Step Solution

1. Step 1: Write the proportion equation
   21,085.08 : 31,632.42 = 7,233.24 : x
2. Step 2: Convert to fraction form
   21,085.08/31,632.42 = 7,233.24/x
3. Step 3: Cross multiply
   21,085.08x = 31,632.42 × 7,233.24
4. Step 4: Simplify right side
   21,085.08x = 228,804,885.64
5. Step 5: Solve for x
   x = 228,804,885.64/21,085.08
6. Step 6: Final answer
   x = 10,851.51