Finding the Fourth Proportional to 1,344.69, 2,016.69 and 522.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,344.69 : 2,016.69 = 522.52 : x
2. Step 2: Convert to fraction form
   1,344.69/2,016.69 = 522.52/x
3. Step 3: Cross multiply
   1,344.69x = 2,016.69 × 522.52
4. Step 4: Simplify right side
   1,344.69x = 1,053,753.86
5. Step 5: Solve for x
   x = 1,053,753.86/1,344.69
6. Step 6: Final answer
   x = 783.64