Finding the Fourth Proportional to 3,696.86, 5,101.82 and 2,103.79

Step by Step Solution

1. Step 1: Write the proportion equation
   3,696.86 : 5,101.82 = 2,103.79 : x
2. Step 2: Convert to fraction form
   3,696.86/5,101.82 = 2,103.79/x
3. Step 3: Cross multiply
   3,696.86x = 5,101.82 × 2,103.79
4. Step 4: Simplify right side
   3,696.86x = 10,733,134.62
5. Step 5: Solve for x
   x = 10,733,134.62/3,696.86
6. Step 6: Final answer
   x = 2,903.31