Finding the Fourth Proportional to 3,763.69, 5,193.89 and 2,107.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,763.69 : 5,193.89 = 2,107.69 : x
2. Step 2: Convert to fraction form
   3,763.69/5,193.89 = 2,107.69/x
3. Step 3: Cross multiply
   3,763.69x = 5,193.89 × 2,107.69
4. Step 4: Simplify right side
   3,763.69x = 10,947,094.39
5. Step 5: Solve for x
   x = 10,947,094.39/3,763.69
6. Step 6: Final answer
   x = 2,908.61