Finding the Fourth Proportional to 1,015.29, 1,400.83 and 595.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,015.29 : 1,400.83 = 595.47 : x
2. Step 2: Convert to fraction form
   1,015.29/1,400.83 = 595.47/x
3. Step 3: Cross multiply
   1,015.29x = 1,400.83 × 595.47
4. Step 4: Simplify right side
   1,015.29x = 834,152.24
5. Step 5: Solve for x
   x = 834,152.24/1,015.29
6. Step 6: Final answer
   x = 821.59