Finding the Fourth Proportional to 22,079.94, 33,104.25 and 10,386.78

Step by Step Solution

1. Step 1: Write the proportion equation
   22,079.94 : 33,104.25 = 10,386.78 : x
2. Step 2: Convert to fraction form
   22,079.94/33,104.25 = 10,386.78/x
3. Step 3: Cross multiply
   22,079.94x = 33,104.25 × 10,386.78
4. Step 4: Simplify right side
   22,079.94x = 343,846,561.82
5. Step 5: Solve for x
   x = 343,846,561.82/22,079.94
6. Step 6: Final answer
   x = 15,572.80