Finding the Fourth Proportional to 1,132.79, 1,698.72 and 516.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,132.79 : 1,698.72 = 516.32 : x
2. Step 2: Convert to fraction form
   1,132.79/1,698.72 = 516.32/x
3. Step 3: Cross multiply
   1,132.79x = 1,698.72 × 516.32
4. Step 4: Simplify right side
   1,132.79x = 877,091.51
5. Step 5: Solve for x
   x = 877,091.51/1,132.79
6. Step 6: Final answer
   x = 774.28