Finding the Fourth Proportional to 11,096.91, 16,639.83 and 3,698.78

Step by Step Solution

1. Step 1: Write the proportion equation
   11,096.91 : 16,639.83 = 3,698.78 : x
2. Step 2: Convert to fraction form
   11,096.91/16,639.83 = 3,698.78/x
3. Step 3: Cross multiply
   11,096.91x = 16,639.83 × 3,698.78
4. Step 4: Simplify right side
   11,096.91x = 61,546,987.21
5. Step 5: Solve for x
   x = 61,546,987.21/11,096.91
6. Step 6: Final answer
   x = 5,546.32