Finding the Fourth Proportional to 1,522.10, 2,100.60 and 1,148.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,522.10 : 2,100.60 = 1,148.42 : x
2. Step 2: Convert to fraction form
   1,522.10/2,100.60 = 1,148.42/x
3. Step 3: Cross multiply
   1,522.10x = 2,100.60 × 1,148.42
4. Step 4: Simplify right side
   1,522.10x = 2,412,371.05
5. Step 5: Solve for x
   x = 2,412,371.05/1,522.10
6. Step 6: Final answer
   x = 1,584.90