Finding the Fourth Proportional to 743.34, 1,025.82 and 448.59

Step by Step Solution

1. Step 1: Write the proportion equation
   743.34 : 1,025.82 = 448.59 : x
2. Step 2: Convert to fraction form
   743.34/1,025.82 = 448.59/x
3. Step 3: Cross multiply
   743.34x = 1,025.82 × 448.59
4. Step 4: Simplify right side
   743.34x = 460,172.59
5. Step 5: Solve for x
   x = 460,172.59/743.34
6. Step 6: Final answer
   x = 619.06