Finding the Fourth Proportional to 3,412.81, 5,119.82 and 1,411.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,412.81 : 5,119.82 = 1,411.50 : x
2. Step 2: Convert to fraction form
   3,412.81/5,119.82 = 1,411.50/x
3. Step 3: Cross multiply
   3,412.81x = 5,119.82 × 1,411.50
4. Step 4: Simplify right side
   3,412.81x = 7,226,621.85
5. Step 5: Solve for x
   x = 7,226,621.85/3,412.81
6. Step 6: Final answer
   x = 2,117.50