Finding the Fourth Proportional to 3,697.09, 5,101.78 and 2,103.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,697.09 : 5,101.78 = 2,103.52 : x
2. Step 2: Convert to fraction form
   3,697.09/5,101.78 = 2,103.52/x
3. Step 3: Cross multiply
   3,697.09x = 5,101.78 × 2,103.52
4. Step 4: Simplify right side
   3,697.09x = 10,731,696.27
5. Step 5: Solve for x
   x = 10,731,696.27/3,697.09
6. Step 6: Final answer
   x = 2,902.74