Finding the Fourth Proportional to 1,592.89, 2,389.61 and 605.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,592.89 : 2,389.61 = 605.79 : x
2. Step 2: Convert to fraction form
   1,592.89/2,389.61 = 605.79/x
3. Step 3: Cross multiply
   1,592.89x = 2,389.61 × 605.79
4. Step 4: Simplify right side
   1,592.89x = 1,447,595.78
5. Step 5: Solve for x
   x = 1,447,595.78/1,592.89
6. Step 6: Final answer
   x = 908.79