Finding the Fourth Proportional to 21,150.17, 31,737.57 and 7,832.38

Step by Step Solution

1. Step 1: Write the proportion equation
   21,150.17 : 31,737.57 = 7,832.38 : x
2. Step 2: Convert to fraction form
   21,150.17/31,737.57 = 7,832.38/x
3. Step 3: Cross multiply
   21,150.17x = 31,737.57 × 7,832.38
4. Step 4: Simplify right side
   21,150.17x = 248,580,708.52
5. Step 5: Solve for x
   x = 248,580,708.52/21,150.17
6. Step 6: Final answer
   x = 11,753.13