Finding the Fourth Proportional to 1,588.89, 2,383.71 and 493.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,588.89 : 2,383.71 = 493.29 : x
2. Step 2: Convert to fraction form
   1,588.89/2,383.71 = 493.29/x
3. Step 3: Cross multiply
   1,588.89x = 2,383.71 × 493.29
4. Step 4: Simplify right side
   1,588.89x = 1,175,860.31
5. Step 5: Solve for x
   x = 1,175,860.31/1,588.89
6. Step 6: Final answer
   x = 740.05