Finding the Fourth Proportional to 1,443.26, 2,164.39 and 469.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443.26 : 2,164.39 = 469.18 : x
2. Step 2: Convert to fraction form
   1,443.26/2,164.39 = 469.18/x
3. Step 3: Cross multiply
   1,443.26x = 2,164.39 × 469.18
4. Step 4: Simplify right side
   1,443.26x = 1,015,488.50
5. Step 5: Solve for x
   x = 1,015,488.50/1,443.26
6. Step 6: Final answer
   x = 703.61