Finding the Fourth Proportional to 22,536.59, 31,099.91 and 12,464.78

Step by Step Solution

1. Step 1: Write the proportion equation
   22,536.59 : 31,099.91 = 12,464.78 : x
2. Step 2: Convert to fraction form
   22,536.59/31,099.91 = 12,464.78/x
3. Step 3: Cross multiply
   22,536.59x = 31,099.91 × 12,464.78
4. Step 4: Simplify right side
   22,536.59x = 387,653,411.83
5. Step 5: Solve for x
   x = 387,653,411.83/22,536.59
6. Step 6: Final answer
   x = 17,201.07