Finding the Fourth Proportional to 3,760.56, 5,638.52 and 1,570.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,760.56 : 5,638.52 = 1,570.80 : x
2. Step 2: Convert to fraction form
   3,760.56/5,638.52 = 1,570.80/x
3. Step 3: Cross multiply
   3,760.56x = 5,638.52 × 1,570.80
4. Step 4: Simplify right side
   3,760.56x = 8,856,987.22
5. Step 5: Solve for x
   x = 8,856,987.22/3,760.56
6. Step 6: Final answer
   x = 2,355.23