Finding the Fourth Proportional to 22,539.46, 31,105.01 and 12,468.09

Step by Step Solution

1. Step 1: Write the proportion equation
   22,539.46 : 31,105.01 = 12,468.09 : x
2. Step 2: Convert to fraction form
   22,539.46/31,105.01 = 12,468.09/x
3. Step 3: Cross multiply
   22,539.46x = 31,105.01 × 12,468.09
4. Step 4: Simplify right side
   22,539.46x = 387,820,141.81
5. Step 5: Solve for x
   x = 387,820,141.81/22,539.46
6. Step 6: Final answer
   x = 17,206.28