Finding the Fourth Proportional to 1,411.82, 2,118.35 and 488.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,411.82 : 2,118.35 = 488.03 : x
2. Step 2: Convert to fraction form
   1,411.82/2,118.35 = 488.03/x
3. Step 3: Cross multiply
   1,411.82x = 2,118.35 × 488.03
4. Step 4: Simplify right side
   1,411.82x = 1,033,818.35
5. Step 5: Solve for x
   x = 1,033,818.35/1,411.82
6. Step 6: Final answer
   x = 732.26