Finding the Fourth Proportional to 1,429.42, 2,144.34 and 504.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429.42 : 2,144.34 = 504.81 : x
2. Step 2: Convert to fraction form
   1,429.42/2,144.34 = 504.81/x
3. Step 3: Cross multiply
   1,429.42x = 2,144.34 × 504.81
4. Step 4: Simplify right side
   1,429.42x = 1,082,484.28
5. Step 5: Solve for x
   x = 1,082,484.28/1,429.42
6. Step 6: Final answer
   x = 757.29