Finding the Fourth Proportional to 22,059.74, 30,443.98 and 12,499.54

Step by Step Solution

1. Step 1: Write the proportion equation
   22,059.74 : 30,443.98 = 12,499.54 : x
2. Step 2: Convert to fraction form
   22,059.74/30,443.98 = 12,499.54/x
3. Step 3: Cross multiply
   22,059.74x = 30,443.98 × 12,499.54
4. Step 4: Simplify right side
   22,059.74x = 380,535,745.77
5. Step 5: Solve for x
   x = 380,535,745.77/22,059.74
6. Step 6: Final answer
   x = 17,250.24