Finding the Fourth Proportional to 22,234.56, 30,687.03 and 12,801.30

Step by Step Solution

1. Step 1: Write the proportion equation
   22,234.56 : 30,687.03 = 12,801.30 : x
2. Step 2: Convert to fraction form
   22,234.56/30,687.03 = 12,801.30/x
3. Step 3: Cross multiply
   22,234.56x = 30,687.03 × 12,801.30
4. Step 4: Simplify right side
   22,234.56x = 392,833,877.14
5. Step 5: Solve for x
   x = 392,833,877.14/22,234.56
6. Step 6: Final answer
   x = 17,667.72