Finding the Fourth Proportional to 10,904.78, 16,357.20 and 2,696.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,904.78 : 16,357.20 = 2,696.78 : x
2. Step 2: Convert to fraction form
   10,904.78/16,357.20 = 2,696.78/x
3. Step 3: Cross multiply
   10,904.78x = 16,357.20 × 2,696.78
4. Step 4: Simplify right side
   10,904.78x = 44,111,769.82
5. Step 5: Solve for x
   x = 44,111,769.82/10,904.78
6. Step 6: Final answer
   x = 4,045.18