Finding the Fourth Proportional to 1,143.33, 1,714.72 and 493.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,143.33 : 1,714.72 = 493.71 : x
2. Step 2: Convert to fraction form
   1,143.33/1,714.72 = 493.71/x
3. Step 3: Cross multiply
   1,143.33x = 1,714.72 × 493.71
4. Step 4: Simplify right side
   1,143.33x = 846,574.41
5. Step 5: Solve for x
   x = 846,574.41/1,143.33
6. Step 6: Final answer
   x = 740.45