Finding the Fourth Proportional to 22,217.03, 30,659.56 and 12,145.59

Step by Step Solution

1. Step 1: Write the proportion equation
   22,217.03 : 30,659.56 = 12,145.59 : x
2. Step 2: Convert to fraction form
   22,217.03/30,659.56 = 12,145.59/x
3. Step 3: Cross multiply
   22,217.03x = 30,659.56 × 12,145.59
4. Step 4: Simplify right side
   22,217.03x = 372,378,445.34
5. Step 5: Solve for x
   x = 372,378,445.34/22,217.03
6. Step 6: Final answer
   x = 16,760.95