Finding the Fourth Proportional to 4,758.75, 7,141.37 and 2,860.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,758.75 : 7,141.37 = 2,860.72 : x
2. Step 2: Convert to fraction form
   4,758.75/7,141.37 = 2,860.72/x
3. Step 3: Cross multiply
   4,758.75x = 7,141.37 × 2,860.72
4. Step 4: Simplify right side
   4,758.75x = 20,429,427.83
5. Step 5: Solve for x
   x = 20,429,427.83/4,758.75
6. Step 6: Final answer
   x = 4,293.02