Finding the Fourth Proportional to 4,760.56, 7,139.88 and 1,472.76

Step by Step Solution

1. Step 1: Write the proportion equation
   4,760.56 : 7,139.88 = 1,472.76 : x
2. Step 2: Convert to fraction form
   4,760.56/7,139.88 = 1,472.76/x
3. Step 3: Cross multiply
   4,760.56x = 7,139.88 × 1,472.76
4. Step 4: Simplify right side
   4,760.56x = 10,515,329.67
5. Step 5: Solve for x
   x = 10,515,329.67/4,760.56
6. Step 6: Final answer
   x = 2,208.84