Finding the Fourth Proportional to 1,443.36, 2,164.56 and 469.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443.36 : 2,164.56 = 469.22 : x
2. Step 2: Convert to fraction form
   1,443.36/2,164.56 = 469.22/x
3. Step 3: Cross multiply
   1,443.36x = 2,164.56 × 469.22
4. Step 4: Simplify right side
   1,443.36x = 1,015,654.84
5. Step 5: Solve for x
   x = 1,015,654.84/1,443.36
6. Step 6: Final answer
   x = 703.67