Finding the Fourth Proportional to 22,607.32, 31,196.58 and 12,535.39

Step by Step Solution

1. Step 1: Write the proportion equation
   22,607.32 : 31,196.58 = 12,535.39 : x
2. Step 2: Convert to fraction form
   22,607.32/31,196.58 = 12,535.39/x
3. Step 3: Cross multiply
   22,607.32x = 31,196.58 × 12,535.39
4. Step 4: Simplify right side
   22,607.32x = 391,061,078.31
5. Step 5: Solve for x
   x = 391,061,078.31/22,607.32
6. Step 6: Final answer
   x = 17,297.99