Finding the Fourth Proportional to 1,061.82, 1,592.75 and 403.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.82 : 1,592.75 = 403.61 : x
2. Step 2: Convert to fraction form
   1,061.82/1,592.75 = 403.61/x
3. Step 3: Cross multiply
   1,061.82x = 1,592.75 × 403.61
4. Step 4: Simplify right side
   1,061.82x = 642,846.78
5. Step 5: Solve for x
   x = 642,846.78/1,061.82
6. Step 6: Final answer
   x = 605.42