Finding the Fourth Proportional to 1,015.37, 1,400.88 and 595.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,015.37 : 1,400.88 = 595.59 : x
2. Step 2: Convert to fraction form
   1,015.37/1,400.88 = 595.59/x
3. Step 3: Cross multiply
   1,015.37x = 1,400.88 × 595.59
4. Step 4: Simplify right side
   1,015.37x = 834,350.12
5. Step 5: Solve for x
   x = 834,350.12/1,015.37
6. Step 6: Final answer
   x = 821.72