Finding the Fourth Proportional to 22,056.45, 30,437.82 and 12,624

Step by Step Solution

1. Step 1: Write the proportion equation
   22,056.45 : 30,437.82 = 12,624 : x
2. Step 2: Convert to fraction form
   22,056.45/30,437.82 = 12,624/x
3. Step 3: Cross multiply
   22,056.45x = 30,437.82 × 12,624
4. Step 4: Simplify right side
   22,056.45x = 384,247,039.68
5. Step 5: Solve for x
   x = 384,247,039.68/22,056.45
6. Step 6: Final answer
   x = 17,421.07