Finding the Fourth Proportional to 1,336.52, 2,003.24 and 514.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,336.52 : 2,003.24 = 514.38 : x
2. Step 2: Convert to fraction form
   1,336.52/2,003.24 = 514.38/x
3. Step 3: Cross multiply
   1,336.52x = 2,003.24 × 514.38
4. Step 4: Simplify right side
   1,336.52x = 1,030,426.59
5. Step 5: Solve for x
   x = 1,030,426.59/1,336.52
6. Step 6: Final answer
   x = 770.98