Finding the Fourth Proportional to 22,574.72, 33,864.31 and 7,781.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,574.72 : 33,864.31 = 7,781.69 : x
2. Step 2: Convert to fraction form
   22,574.72/33,864.31 = 7,781.69/x
3. Step 3: Cross multiply
   22,574.72x = 33,864.31 × 7,781.69
4. Step 4: Simplify right side
   22,574.72x = 263,521,656.87
5. Step 5: Solve for x
   x = 263,521,656.87/22,574.72
6. Step 6: Final answer
   x = 11,673.31