Finding the Fourth Proportional to 22,621.83, 31,219.53 and 13,063.49

Step by Step Solution

1. Step 1: Write the proportion equation
   22,621.83 : 31,219.53 = 13,063.49 : x
2. Step 2: Convert to fraction form
   22,621.83/31,219.53 = 13,063.49/x
3. Step 3: Cross multiply
   22,621.83x = 31,219.53 × 13,063.49
4. Step 4: Simplify right side
   22,621.83x = 407,835,929.95
5. Step 5: Solve for x
   x = 407,835,929.95/22,621.83
6. Step 6: Final answer
   x = 18,028.43