Finding the Fourth Proportional to 22,068.24, 33,106.92 and 7,278.06

Step by Step Solution

1. Step 1: Write the proportion equation
   22,068.24 : 33,106.92 = 7,278.06 : x
2. Step 2: Convert to fraction form
   22,068.24/33,106.92 = 7,278.06/x
3. Step 3: Cross multiply
   22,068.24x = 33,106.92 × 7,278.06
4. Step 4: Simplify right side
   22,068.24x = 240,954,150.18
5. Step 5: Solve for x
   x = 240,954,150.18/22,068.24
6. Step 6: Final answer
   x = 10,918.59