Finding the Fourth Proportional to 22,868.72, 34,309.56 and 11,783.48

Step by Step Solution

1. Step 1: Write the proportion equation
   22,868.72 : 34,309.56 = 11,783.48 : x
2. Step 2: Convert to fraction form
   22,868.72/34,309.56 = 11,783.48/x
3. Step 3: Cross multiply
   22,868.72x = 34,309.56 × 11,783.48
4. Step 4: Simplify right side
   22,868.72x = 404,286,014.07
5. Step 5: Solve for x
   x = 404,286,014.07/22,868.72
6. Step 6: Final answer
   x = 17,678.56