Finding the Fourth Proportional to 2,570.75, 3,546.82 and 1,575.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,570.75 : 3,546.82 = 1,575.53 : x
2. Step 2: Convert to fraction form
   2,570.75/3,546.82 = 1,575.53/x
3. Step 3: Cross multiply
   2,570.75x = 3,546.82 × 1,575.53
4. Step 4: Simplify right side
   2,570.75x = 5,588,121.31
5. Step 5: Solve for x
   x = 5,588,121.31/2,570.75
6. Step 6: Final answer
   x = 2,173.73