Finding the Fourth Proportional to 2,105.34, 3,157.61 and 1,696.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105.34 : 3,157.61 = 1,696.86 : x
2. Step 2: Convert to fraction form
   2,105.34/3,157.61 = 1,696.86/x
3. Step 3: Cross multiply
   2,105.34x = 3,157.61 × 1,696.86
4. Step 4: Simplify right side
   2,105.34x = 5,358,013.62
5. Step 5: Solve for x
   x = 5,358,013.62/2,105.34
6. Step 6: Final answer
   x = 2,544.96