Finding the Fourth Proportional to 3,696.28, 5,100.99 and 2,102.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,696.28 : 5,100.99 = 2,102.89 : x
2. Step 2: Convert to fraction form
   3,696.28/5,100.99 = 2,102.89/x
3. Step 3: Cross multiply
   3,696.28x = 5,100.99 × 2,102.89
4. Step 4: Simplify right side
   3,696.28x = 10,726,820.86
5. Step 5: Solve for x
   x = 10,726,820.86/3,696.28
6. Step 6: Final answer
   x = 2,902.06