Finding the Fourth Proportional to 21,131.10, 31,697.38 and 10,032.06

Step by Step Solution

1. Step 1: Write the proportion equation
   21,131.10 : 31,697.38 = 10,032.06 : x
2. Step 2: Convert to fraction form
   21,131.10/31,697.38 = 10,032.06/x
3. Step 3: Cross multiply
   21,131.10x = 31,697.38 × 10,032.06
4. Step 4: Simplify right side
   21,131.10x = 317,990,018.00
5. Step 5: Solve for x
   x = 317,990,018.00/21,131.10
6. Step 6: Final answer
   x = 15,048.44