Finding the Fourth Proportional to 22,059.10, 30,444.15 and 12,630.70

Step by Step Solution

1. Step 1: Write the proportion equation
   22,059.10 : 30,444.15 = 12,630.70 : x
2. Step 2: Convert to fraction form
   22,059.10/30,444.15 = 12,630.70/x
3. Step 3: Cross multiply
   22,059.10x = 30,444.15 × 12,630.70
4. Step 4: Simplify right side
   22,059.10x = 384,530,925.41
5. Step 5: Solve for x
   x = 384,530,925.41/22,059.10
6. Step 6: Final answer
   x = 17,431.85