Finding the Fourth Proportional to 3,411.16, 5,119.62 and 2,356.36

Step by Step Solution

1. Step 1: Write the proportion equation
   3,411.16 : 5,119.62 = 2,356.36 : x
2. Step 2: Convert to fraction form
   3,411.16/5,119.62 = 2,356.36/x
3. Step 3: Cross multiply
   3,411.16x = 5,119.62 × 2,356.36
4. Step 4: Simplify right side
   3,411.16x = 12,063,667.78
5. Step 5: Solve for x
   x = 12,063,667.78/3,411.16
6. Step 6: Final answer
   x = 3,536.53