Finding the Fourth Proportional to 1,522.30, 2,284.17 and 1,198.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,522.30 : 2,284.17 = 1,198.30 : x
2. Step 2: Convert to fraction form
   1,522.30/2,284.17 = 1,198.30/x
3. Step 3: Cross multiply
   1,522.30x = 2,284.17 × 1,198.30
4. Step 4: Simplify right side
   1,522.30x = 2,737,120.91
5. Step 5: Solve for x
   x = 2,737,120.91/1,522.30
6. Step 6: Final answer
   x = 1,798.02