Finding the Fourth Proportional to 1,449.48, 2,173.98 and 475.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,449.48 : 2,173.98 = 475.59 : x
2. Step 2: Convert to fraction form
   1,449.48/2,173.98 = 475.59/x
3. Step 3: Cross multiply
   1,449.48x = 2,173.98 × 475.59
4. Step 4: Simplify right side
   1,449.48x = 1,033,923.15
5. Step 5: Solve for x
   x = 1,033,923.15/1,449.48
6. Step 6: Final answer
   x = 713.31