Finding the Fourth Proportional to 22,606.18, 31,196.52 and 12,535.36

Step by Step Solution

1. Step 1: Write the proportion equation
   22,606.18 : 31,196.52 = 12,535.36 : x
2. Step 2: Convert to fraction form
   22,606.18/31,196.52 = 12,535.36/x
3. Step 3: Cross multiply
   22,606.18x = 31,196.52 × 12,535.36
4. Step 4: Simplify right side
   22,606.18x = 391,059,608.95
5. Step 5: Solve for x
   x = 391,059,608.95/22,606.18
6. Step 6: Final answer
   x = 17,298.79