Finding the Fourth Proportional to 3,003.57, 4,507.34 and 1,055.73

Step by Step Solution

1. Step 1: Write the proportion equation
   3,003.57 : 4,507.34 = 1,055.73 : x
2. Step 2: Convert to fraction form
   3,003.57/4,507.34 = 1,055.73/x
3. Step 3: Cross multiply
   3,003.57x = 4,507.34 × 1,055.73
4. Step 4: Simplify right side
   3,003.57x = 4,758,528.78
5. Step 5: Solve for x
   x = 4,758,528.78/3,003.57
6. Step 6: Final answer
   x = 1,584.29