Finding the Fourth Proportional to 22,054.34, 30,436.36 and 12,622.70

Step by Step Solution

1. Step 1: Write the proportion equation
   22,054.34 : 30,436.36 = 12,622.70 : x
2. Step 2: Convert to fraction form
   22,054.34/30,436.36 = 12,622.70/x
3. Step 3: Cross multiply
   22,054.34x = 30,436.36 × 12,622.70
4. Step 4: Simplify right side
   22,054.34x = 384,189,041.37
5. Step 5: Solve for x
   x = 384,189,041.37/22,054.34
6. Step 6: Final answer
   x = 17,420.11