Finding the Fourth Proportional to 1,017.63, 1,404.13 and 575.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017.63 : 1,404.13 = 575.37 : x
2. Step 2: Convert to fraction form
   1,017.63/1,404.13 = 575.37/x
3. Step 3: Cross multiply
   1,017.63x = 1,404.13 × 575.37
4. Step 4: Simplify right side
   1,017.63x = 807,894.28
5. Step 5: Solve for x
   x = 807,894.28/1,017.63
6. Step 6: Final answer
   x = 793.90