Finding the Fourth Proportional to 22,074.48, 30,463.02 and 12,645

Step by Step Solution

1. Step 1: Write the proportion equation
   22,074.48 : 30,463.02 = 12,645 : x
2. Step 2: Convert to fraction form
   22,074.48/30,463.02 = 12,645/x
3. Step 3: Cross multiply
   22,074.48x = 30,463.02 × 12,645
4. Step 4: Simplify right side
   22,074.48x = 385,204,887.90
5. Step 5: Solve for x
   x = 385,204,887.90/22,074.48
6. Step 6: Final answer
   x = 17,450.24