Finding the Fourth Proportional to 4,748.48, 7,123.56 and 1,628.82

Step by Step Solution

1. Step 1: Write the proportion equation
   4,748.48 : 7,123.56 = 1,628.82 : x
2. Step 2: Convert to fraction form
   4,748.48/7,123.56 = 1,628.82/x
3. Step 3: Cross multiply
   4,748.48x = 7,123.56 × 1,628.82
4. Step 4: Simplify right side
   4,748.48x = 11,603,000.05
5. Step 5: Solve for x
   x = 11,603,000.05/4,748.48
6. Step 6: Final answer
   x = 2,443.52