Finding the Fourth Proportional to 1,017.82, 1,404.59 and 552.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017.82 : 1,404.59 = 552.07 : x
2. Step 2: Convert to fraction form
   1,017.82/1,404.59 = 552.07/x
3. Step 3: Cross multiply
   1,017.82x = 1,404.59 × 552.07
4. Step 4: Simplify right side
   1,017.82x = 775,432.00
5. Step 5: Solve for x
   x = 775,432.00/1,017.82
6. Step 6: Final answer
   x = 761.86