Finding the Fourth Proportional to 1,022.52, 1,532.72 and 474.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,022.52 : 1,532.72 = 474.56 : x
2. Step 2: Convert to fraction form
   1,022.52/1,532.72 = 474.56/x
3. Step 3: Cross multiply
   1,022.52x = 1,532.72 × 474.56
4. Step 4: Simplify right side
   1,022.52x = 727,366.87
5. Step 5: Solve for x
   x = 727,366.87/1,022.52
6. Step 6: Final answer
   x = 711.34