Finding the Fourth Proportional to 22,643.82, 31,245.24 and 13,567.04

Step by Step Solution

1. Step 1: Write the proportion equation
   22,643.82 : 31,245.24 = 13,567.04 : x
2. Step 2: Convert to fraction form
   22,643.82/31,245.24 = 13,567.04/x
3. Step 3: Cross multiply
   22,643.82x = 31,245.24 × 13,567.04
4. Step 4: Simplify right side
   22,643.82x = 423,905,420.89
5. Step 5: Solve for x
   x = 423,905,420.89/22,643.82
6. Step 6: Final answer
   x = 18,720.58