Finding the Fourth Proportional to 22,872.48, 34,280.46 and 13,503

Step by Step Solution

1. Step 1: Write the proportion equation
   22,872.48 : 34,280.46 = 13,503 : x
2. Step 2: Convert to fraction form
   22,872.48/34,280.46 = 13,503/x
3. Step 3: Cross multiply
   22,872.48x = 34,280.46 × 13,503
4. Step 4: Simplify right side
   22,872.48x = 462,889,051.38
5. Step 5: Solve for x
   x = 462,889,051.38/22,872.48
6. Step 6: Final answer
   x = 20,237.82