Finding the Fourth Proportional to 3,696.87, 5,101.56 and 2,103.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,696.87 : 5,101.56 = 2,103.42 : x
2. Step 2: Convert to fraction form
   3,696.87/5,101.56 = 2,103.42/x
3. Step 3: Cross multiply
   3,696.87x = 5,101.56 × 2,103.42
4. Step 4: Simplify right side
   3,696.87x = 10,730,723.34
5. Step 5: Solve for x
   x = 10,730,723.34/3,696.87
6. Step 6: Final answer
   x = 2,902.65