Finding the Fourth Proportional to 22,010.78, 33,016.10 and 7,789.82

Step by Step Solution

1. Step 1: Write the proportion equation
   22,010.78 : 33,016.10 = 7,789.82 : x
2. Step 2: Convert to fraction form
   22,010.78/33,016.10 = 7,789.82/x
3. Step 3: Cross multiply
   22,010.78x = 33,016.10 × 7,789.82
4. Step 4: Simplify right side
   22,010.78x = 257,189,272.07
5. Step 5: Solve for x
   x = 257,189,272.07/22,010.78
6. Step 6: Final answer
   x = 11,684.70