Finding the Fourth Proportional to 22,608.45, 31,200.92 and 12,536.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,608.45 : 31,200.92 = 12,536.69 : x
2. Step 2: Convert to fraction form
   22,608.45/31,200.92 = 12,536.69/x
3. Step 3: Cross multiply
   22,608.45x = 31,200.92 × 12,536.69
4. Step 4: Simplify right side
   22,608.45x = 391,156,043.07
5. Step 5: Solve for x
   x = 391,156,043.07/22,608.45
6. Step 6: Final answer
   x = 17,301.32