Finding the Fourth Proportional to 10,696.06, 16,039.49 and 3,676.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,696.06 : 16,039.49 = 3,676.78 : x
2. Step 2: Convert to fraction form
   10,696.06/16,039.49 = 3,676.78/x
3. Step 3: Cross multiply
   10,696.06x = 16,039.49 × 3,676.78
4. Step 4: Simplify right side
   10,696.06x = 58,973,676.04
5. Step 5: Solve for x
   x = 58,973,676.04/10,696.06
6. Step 6: Final answer
   x = 5,513.59