Finding the Fourth Proportional to 1,443.59, 2,165.99 and 924.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443.59 : 2,165.99 = 924.18 : x
2. Step 2: Convert to fraction form
   1,443.59/2,165.99 = 924.18/x
3. Step 3: Cross multiply
   1,443.59x = 2,165.99 × 924.18
4. Step 4: Simplify right side
   1,443.59x = 2,001,751.89
5. Step 5: Solve for x
   x = 2,001,751.89/1,443.59
6. Step 6: Final answer
   x = 1,386.65