Finding the Fourth Proportional to 2,541.69, 3,802.99 and 2,103.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,541.69 : 3,802.99 = 2,103.15 : x
2. Step 2: Convert to fraction form
   2,541.69/3,802.99 = 2,103.15/x
3. Step 3: Cross multiply
   2,541.69x = 3,802.99 × 2,103.15
4. Step 4: Simplify right side
   2,541.69x = 7,998,258.42
5. Step 5: Solve for x
   x = 7,998,258.42/2,541.69
6. Step 6: Final answer
   x = 3,146.83