Finding the Fourth Proportional to 20,061.63, 30,096.50 and 13,824.63

Step by Step Solution

1. Step 1: Write the proportion equation
   20,061.63 : 30,096.50 = 13,824.63 : x
2. Step 2: Convert to fraction form
   20,061.63/30,096.50 = 13,824.63/x
3. Step 3: Cross multiply
   20,061.63x = 30,096.50 × 13,824.63
4. Step 4: Simplify right side
   20,061.63x = 416,072,907.67
5. Step 5: Solve for x
   x = 416,072,907.67/20,061.63
6. Step 6: Final answer
   x = 20,739.74