Finding the Fourth Proportional to 22,056.76, 30,432.18 and 12,624.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,056.76 : 30,432.18 = 12,624.76 : x
2. Step 2: Convert to fraction form
   22,056.76/30,432.18 = 12,624.76/x
3. Step 3: Cross multiply
   22,056.76x = 30,432.18 × 12,624.76
4. Step 4: Simplify right side
   22,056.76x = 384,198,968.78
5. Step 5: Solve for x
   x = 384,198,968.78/22,056.76
6. Step 6: Final answer
   x = 17,418.65