Finding the Fourth Proportional to 3,696.16, 5,100.70 and 2,017.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,696.16 : 5,100.70 = 2,017.57 : x
2. Step 2: Convert to fraction form
   3,696.16/5,100.70 = 2,017.57/x
3. Step 3: Cross multiply
   3,696.16x = 5,100.70 × 2,017.57
4. Step 4: Simplify right side
   3,696.16x = 10,291,019.30
5. Step 5: Solve for x
   x = 10,291,019.30/3,696.16
6. Step 6: Final answer
   x = 2,784.25