Finding the Fourth Proportional to 1,012.89, 1,397.79 and 593.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,012.89 : 1,397.79 = 593.52 : x
2. Step 2: Convert to fraction form
   1,012.89/1,397.79 = 593.52/x
3. Step 3: Cross multiply
   1,012.89x = 1,397.79 × 593.52
4. Step 4: Simplify right side
   1,012.89x = 829,616.32
5. Step 5: Solve for x
   x = 829,616.32/1,012.89
6. Step 6: Final answer
   x = 819.06