Finding the Fourth Proportional to 2,575.63, 3,554.72 and 1,580.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,575.63 : 3,554.72 = 1,580.73 : x
2. Step 2: Convert to fraction form
   2,575.63/3,554.72 = 1,580.73/x
3. Step 3: Cross multiply
   2,575.63x = 3,554.72 × 1,580.73
4. Step 4: Simplify right side
   2,575.63x = 5,619,052.55
5. Step 5: Solve for x
   x = 5,619,052.55/2,575.63
6. Step 6: Final answer
   x = 2,181.62