Finding the Fourth Proportional to 1,441.08, 2,161.52 and 516.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,441.08 : 2,161.52 = 516.59 : x
2. Step 2: Convert to fraction form
   1,441.08/2,161.52 = 516.59/x
3. Step 3: Cross multiply
   1,441.08x = 2,161.52 × 516.59
4. Step 4: Simplify right side
   1,441.08x = 1,116,610.10
5. Step 5: Solve for x
   x = 1,116,610.10/1,441.08
6. Step 6: Final answer
   x = 774.84