Finding the Fourth Proportional to 1,575.41, 2,173.38 and 1,103.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,575.41 : 2,173.38 = 1,103.39 : x
2. Step 2: Convert to fraction form
   1,575.41/2,173.38 = 1,103.39/x
3. Step 3: Cross multiply
   1,575.41x = 2,173.38 × 1,103.39
4. Step 4: Simplify right side
   1,575.41x = 2,398,074.89
5. Step 5: Solve for x
   x = 2,398,074.89/1,575.41
6. Step 6: Final answer
   x = 1,522.19