Finding the Fourth Proportional to 4,748.04, 7,124.76 and 2,556.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,748.04 : 7,124.76 = 2,556.72 : x
2. Step 2: Convert to fraction form
   4,748.04/7,124.76 = 2,556.72/x
3. Step 3: Cross multiply
   4,748.04x = 7,124.76 × 2,556.72
4. Step 4: Simplify right side
   4,748.04x = 18,216,016.39
5. Step 5: Solve for x
   x = 18,216,016.39/4,748.04
6. Step 6: Final answer
   x = 3,836.53