Finding the Fourth Proportional to 22,788.69, 31,443.69 and 13,096.28

Step by Step Solution

1. Step 1: Write the proportion equation
   22,788.69 : 31,443.69 = 13,096.28 : x
2. Step 2: Convert to fraction form
   22,788.69/31,443.69 = 13,096.28/x
3. Step 3: Cross multiply
   22,788.69x = 31,443.69 × 13,096.28
4. Step 4: Simplify right side
   22,788.69x = 411,795,211.25
5. Step 5: Solve for x
   x = 411,795,211.25/22,788.69
6. Step 6: Final answer
   x = 18,070.16