Finding the Fourth Proportional to 3,784.09, 5,679.57 and 1,936.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,784.09 : 5,679.57 = 1,936.48 : x
2. Step 2: Convert to fraction form
   3,784.09/5,679.57 = 1,936.48/x
3. Step 3: Cross multiply
   3,784.09x = 5,679.57 × 1,936.48
4. Step 4: Simplify right side
   3,784.09x = 10,998,373.71
5. Step 5: Solve for x
   x = 10,998,373.71/3,784.09
6. Step 6: Final answer
   x = 2,906.48