Finding the Fourth Proportional to 22,338.65, 30,805.67 and 15,086.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,338.65 : 30,805.67 = 15,086.69 : x
2. Step 2: Convert to fraction form
   22,338.65/30,805.67 = 15,086.69/x
3. Step 3: Cross multiply
   22,338.65x = 30,805.67 × 15,086.69
4. Step 4: Simplify right side
   22,338.65x = 464,755,364.07
5. Step 5: Solve for x
   x = 464,755,364.07/22,338.65
6. Step 6: Final answer
   x = 20,804.99