Finding the Fourth Proportional to 796.09, 1,098.72 and 501.43

Step by Step Solution

1. Step 1: Write the proportion equation
   796.09 : 1,098.72 = 501.43 : x
2. Step 2: Convert to fraction form
   796.09/1,098.72 = 501.43/x
3. Step 3: Cross multiply
   796.09x = 1,098.72 × 501.43
4. Step 4: Simplify right side
   796.09x = 550,931.17
5. Step 5: Solve for x
   x = 550,931.17/796.09
6. Step 6: Final answer
   x = 692.05