Finding the Fourth Proportional to 1,013.89, 1,399.17 and 594.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,013.89 : 1,399.17 = 594.52 : x
2. Step 2: Convert to fraction form
   1,013.89/1,399.17 = 594.52/x
3. Step 3: Cross multiply
   1,013.89x = 1,399.17 × 594.52
4. Step 4: Simplify right side
   1,013.89x = 831,834.55
5. Step 5: Solve for x
   x = 831,834.55/1,013.89
6. Step 6: Final answer
   x = 820.44