Finding the Fourth Proportional to 22,606.70, 31,198.84 and 12,536.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,606.70 : 31,198.84 = 12,536.10 : x
2. Step 2: Convert to fraction form
   22,606.70/31,198.84 = 12,536.10/x
3. Step 3: Cross multiply
   22,606.70x = 31,198.84 × 12,536.10
4. Step 4: Simplify right side
   22,606.70x = 391,111,746.78
5. Step 5: Solve for x
   x = 391,111,746.78/22,606.70
6. Step 6: Final answer
   x = 17,300.70