Finding the Fourth Proportional to 1,036.96, 1,553.98 and 516.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036.96 : 1,553.98 = 516.48 : x
2. Step 2: Convert to fraction form
   1,036.96/1,553.98 = 516.48/x
3. Step 3: Cross multiply
   1,036.96x = 1,553.98 × 516.48
4. Step 4: Simplify right side
   1,036.96x = 802,599.59
5. Step 5: Solve for x
   x = 802,599.59/1,036.96
6. Step 6: Final answer
   x = 773.99