Finding the Fourth Proportional to 1,452.01, 2,002.57 and 1,102.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,452.01 : 2,002.57 = 1,102.09 : x
2. Step 2: Convert to fraction form
   1,452.01/2,002.57 = 1,102.09/x
3. Step 3: Cross multiply
   1,452.01x = 2,002.57 × 1,102.09
4. Step 4: Simplify right side
   1,452.01x = 2,207,012.37
5. Step 5: Solve for x
   x = 2,207,012.37/1,452.01
6. Step 6: Final answer
   x = 1,519.97