Finding the Fourth Proportional to 22,300.46, 30,774.92 and 12,228.88

Step by Step Solution

1. Step 1: Write the proportion equation
   22,300.46 : 30,774.92 = 12,228.88 : x
2. Step 2: Convert to fraction form
   22,300.46/30,774.92 = 12,228.88/x
3. Step 3: Cross multiply
   22,300.46x = 30,774.92 × 12,228.88
4. Step 4: Simplify right side
   22,300.46x = 376,342,803.69
5. Step 5: Solve for x
   x = 376,342,803.69/22,300.46
6. Step 6: Final answer
   x = 16,876.01