Finding the Fourth Proportional to 3,100.56, 4,651.56 and 1,020.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,100.56 : 4,651.56 = 1,020.57 : x
2. Step 2: Convert to fraction form
   3,100.56/4,651.56 = 1,020.57/x
3. Step 3: Cross multiply
   3,100.56x = 4,651.56 × 1,020.57
4. Step 4: Simplify right side
   3,100.56x = 4,747,242.59
5. Step 5: Solve for x
   x = 4,747,242.59/3,100.56
6. Step 6: Final answer
   x = 1,531.09