Finding the Fourth Proportional to 22,155.56, 30,573.46 and 12,594.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,155.56 : 30,573.46 = 12,594.12 : x
2. Step 2: Convert to fraction form
   22,155.56/30,573.46 = 12,594.12/x
3. Step 3: Cross multiply
   22,155.56x = 30,573.46 × 12,594.12
4. Step 4: Simplify right side
   22,155.56x = 385,045,824.06
5. Step 5: Solve for x
   x = 385,045,824.06/22,155.56
6. Step 6: Final answer
   x = 17,379.20