Finding the Fourth Proportional to 3,696.60, 5,100.25 and 2,124.39

Step by Step Solution

1. Step 1: Write the proportion equation
   3,696.60 : 5,100.25 = 2,124.39 : x
2. Step 2: Convert to fraction form
   3,696.60/5,100.25 = 2,124.39/x
3. Step 3: Cross multiply
   3,696.60x = 5,100.25 × 2,124.39
4. Step 4: Simplify right side
   3,696.60x = 10,834,920.10
5. Step 5: Solve for x
   x = 10,834,920.10/3,696.60
6. Step 6: Final answer
   x = 2,931.05