Finding the Fourth Proportional to 1,017.83, 1,404.61 and 552.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017.83 : 1,404.61 = 552.08 : x
2. Step 2: Convert to fraction form
   1,017.83/1,404.61 = 552.08/x
3. Step 3: Cross multiply
   1,017.83x = 1,404.61 × 552.08
4. Step 4: Simplify right side
   1,017.83x = 775,454.33
5. Step 5: Solve for x
   x = 775,454.33/1,017.83
6. Step 6: Final answer
   x = 761.87