Finding the Fourth Proportional to 22,536.56, 31,100.28 and 12,465.38

Step by Step Solution

1. Step 1: Write the proportion equation
   22,536.56 : 31,100.28 = 12,465.38 : x
2. Step 2: Convert to fraction form
   22,536.56/31,100.28 = 12,465.38/x
3. Step 3: Cross multiply
   22,536.56x = 31,100.28 × 12,465.38
4. Step 4: Simplify right side
   22,536.56x = 387,676,808.31
5. Step 5: Solve for x
   x = 387,676,808.31/22,536.56
6. Step 6: Final answer
   x = 17,202.13