Finding the Fourth Proportional to 2,541.34, 3,813.60 and 1,242.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,541.34 : 3,813.60 = 1,242.10 : x
2. Step 2: Convert to fraction form
   2,541.34/3,813.60 = 1,242.10/x
3. Step 3: Cross multiply
   2,541.34x = 3,813.60 × 1,242.10
4. Step 4: Simplify right side
   2,541.34x = 4,736,872.56
5. Step 5: Solve for x
   x = 4,736,872.56/2,541.34
6. Step 6: Final answer
   x = 1,863.93