Finding the Fourth Proportional to 22,250.08, 30,705.12 and 12,818.56

Step by Step Solution

1. Step 1: Write the proportion equation
   22,250.08 : 30,705.12 = 12,818.56 : x
2. Step 2: Convert to fraction form
   22,250.08/30,705.12 = 12,818.56/x
3. Step 3: Cross multiply
   22,250.08x = 30,705.12 × 12,818.56
4. Step 4: Simplify right side
   22,250.08x = 393,595,423.03
5. Step 5: Solve for x
   x = 393,595,423.03/22,250.08
6. Step 6: Final answer
   x = 17,689.62