Finding the Fourth Proportional to 1,060.29, 1,589.31 and 475.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,060.29 : 1,589.31 = 475.59 : x
2. Step 2: Convert to fraction form
   1,060.29/1,589.31 = 475.59/x
3. Step 3: Cross multiply
   1,060.29x = 1,589.31 × 475.59
4. Step 4: Simplify right side
   1,060.29x = 755,859.94
5. Step 5: Solve for x
   x = 755,859.94/1,060.29
6. Step 6: Final answer
   x = 712.88