Finding the Fourth Proportional to 1,529.50, 2,288.46 and 936.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,529.50 : 2,288.46 = 936.69 : x
2. Step 2: Convert to fraction form
   1,529.50/2,288.46 = 936.69/x
3. Step 3: Cross multiply
   1,529.50x = 2,288.46 × 936.69
4. Step 4: Simplify right side
   1,529.50x = 2,143,577.60
5. Step 5: Solve for x
   x = 2,143,577.60/1,529.50
6. Step 6: Final answer
   x = 1,401.49