Finding the Fourth Proportional to 22,061.36, 30,442.36 and 13,107.65

Step by Step Solution

1. Step 1: Write the proportion equation
   22,061.36 : 30,442.36 = 13,107.65 : x
2. Step 2: Convert to fraction form
   22,061.36/30,442.36 = 13,107.65/x
3. Step 3: Cross multiply
   22,061.36x = 30,442.36 × 13,107.65
4. Step 4: Simplify right side
   22,061.36x = 399,027,688.40
5. Step 5: Solve for x
   x = 399,027,688.40/22,061.36
6. Step 6: Final answer
   x = 18,087.17