Finding the Fourth Proportional to 22,155.01, 30,573.69 and 12,723.64

Step by Step Solution

1. Step 1: Write the proportion equation
   22,155.01 : 30,573.69 = 12,723.64 : x
2. Step 2: Convert to fraction form
   22,155.01/30,573.69 = 12,723.64/x
3. Step 3: Cross multiply
   22,155.01x = 30,573.69 × 12,723.64
4. Step 4: Simplify right side
   22,155.01x = 389,008,625.03
5. Step 5: Solve for x
   x = 389,008,625.03/22,155.01
6. Step 6: Final answer
   x = 17,558.49