Finding the Fourth Proportional to 1,429.25, 2,144.34 and 736.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429.25 : 2,144.34 = 736.70 : x
2. Step 2: Convert to fraction form
   1,429.25/2,144.34 = 736.70/x
3. Step 3: Cross multiply
   1,429.25x = 2,144.34 × 736.70
4. Step 4: Simplify right side
   1,429.25x = 1,579,724.56
5. Step 5: Solve for x
   x = 1,579,724.56/1,429.25
6. Step 6: Final answer
   x = 1,105.29