Finding the Fourth Proportional to 3,009.05, 4,514.06 and 928.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,009.05 : 4,514.06 = 928.57 : x
2. Step 2: Convert to fraction form
   3,009.05/4,514.06 = 928.57/x
3. Step 3: Cross multiply
   3,009.05x = 4,514.06 × 928.57
4. Step 4: Simplify right side
   3,009.05x = 4,191,620.69
5. Step 5: Solve for x
   x = 4,191,620.69/3,009.05
6. Step 6: Final answer
   x = 1,393.00