Finding the Fourth Proportional to 22,216.95, 30,659.83 and 12,145.82

Step by Step Solution

1. Step 1: Write the proportion equation
   22,216.95 : 30,659.83 = 12,145.82 : x
2. Step 2: Convert to fraction form
   22,216.95/30,659.83 = 12,145.82/x
3. Step 3: Cross multiply
   22,216.95x = 30,659.83 × 12,145.82
4. Step 4: Simplify right side
   22,216.95x = 372,388,592.75
5. Step 5: Solve for x
   x = 372,388,592.75/22,216.95
6. Step 6: Final answer
   x = 16,761.46