Finding the Fourth Proportional to 1,443.30, 2,165.18 and 469.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443.30 : 2,165.18 = 469.17 : x
2. Step 2: Convert to fraction form
   1,443.30/2,165.18 = 469.17/x
3. Step 3: Cross multiply
   1,443.30x = 2,165.18 × 469.17
4. Step 4: Simplify right side
   1,443.30x = 1,015,844.15
5. Step 5: Solve for x
   x = 1,015,844.15/1,443.30
6. Step 6: Final answer
   x = 703.83