Finding the Fourth Proportional to 1,013.94, 1,398.78 and 594.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,013.94 : 1,398.78 = 594.32 : x
2. Step 2: Convert to fraction form
   1,013.94/1,398.78 = 594.32/x
3. Step 3: Cross multiply
   1,013.94x = 1,398.78 × 594.32
4. Step 4: Simplify right side
   1,013.94x = 831,315.94
5. Step 5: Solve for x
   x = 831,315.94/1,013.94
6. Step 6: Final answer
   x = 819.89