Finding the Fourth Proportional to 3,699.86, 5,105.81 and 2,127.95

Step by Step Solution

1. Step 1: Write the proportion equation
   3,699.86 : 5,105.81 = 2,127.95 : x
2. Step 2: Convert to fraction form
   3,699.86/5,105.81 = 2,127.95/x
3. Step 3: Cross multiply
   3,699.86x = 5,105.81 × 2,127.95
4. Step 4: Simplify right side
   3,699.86x = 10,864,908.39
5. Step 5: Solve for x
   x = 10,864,908.39/3,699.86
6. Step 6: Final answer
   x = 2,936.57