Finding the Fourth Proportional to 3,696.39, 5,100.81 and 2,017.77

Step by Step Solution

1. Step 1: Write the proportion equation
   3,696.39 : 5,100.81 = 2,017.77 : x
2. Step 2: Convert to fraction form
   3,696.39/5,100.81 = 2,017.77/x
3. Step 3: Cross multiply
   3,696.39x = 5,100.81 × 2,017.77
4. Step 4: Simplify right side
   3,696.39x = 10,292,261.39
5. Step 5: Solve for x
   x = 10,292,261.39/3,696.39
6. Step 6: Final answer
   x = 2,784.41