Finding the Fourth Proportional to 2,541.33, 3,813.60 and 1,242.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,541.33 : 3,813.60 = 1,242.09 : x
2. Step 2: Convert to fraction form
   2,541.33/3,813.60 = 1,242.09/x
3. Step 3: Cross multiply
   2,541.33x = 3,813.60 × 1,242.09
4. Step 4: Simplify right side
   2,541.33x = 4,736,834.42
5. Step 5: Solve for x
   x = 4,736,834.42/2,541.33
6. Step 6: Final answer
   x = 1,863.92