Finding the Fourth Proportional to 22,607.31, 31,196.83 and 12,535.16

Step by Step Solution

1. Step 1: Write the proportion equation
   22,607.31 : 31,196.83 = 12,535.16 : x
2. Step 2: Convert to fraction form
   22,607.31/31,196.83 = 12,535.16/x
3. Step 3: Cross multiply
   22,607.31x = 31,196.83 × 12,535.16
4. Step 4: Simplify right side
   22,607.31x = 391,057,255.54
5. Step 5: Solve for x
   x = 391,057,255.54/22,607.31
6. Step 6: Final answer
   x = 17,297.82