Finding the Fourth Proportional to 22,144.32, 30,569.40 and 13,647.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,144.32 : 30,569.40 = 13,647.96 : x
2. Step 2: Convert to fraction form
   22,144.32/30,569.40 = 13,647.96/x
3. Step 3: Cross multiply
   22,144.32x = 30,569.40 × 13,647.96
4. Step 4: Simplify right side
   22,144.32x = 417,209,948.42
5. Step 5: Solve for x
   x = 417,209,948.42/22,144.32
6. Step 6: Final answer
   x = 18,840.49