Finding the Fourth Proportional to 1,061.62, 1,592.49 and 281.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.62 : 1,592.49 = 281.61 : x
2. Step 2: Convert to fraction form
   1,061.62/1,592.49 = 281.61/x
3. Step 3: Cross multiply
   1,061.62x = 1,592.49 × 281.61
4. Step 4: Simplify right side
   1,061.62x = 448,456.19
5. Step 5: Solve for x
   x = 448,456.19/1,061.62
6. Step 6: Final answer
   x = 422.43