Finding the Fourth Proportional to 4,748.52, 7,110.48 and 4,219.54

Step by Step Solution

1. Step 1: Write the proportion equation
   4,748.52 : 7,110.48 = 4,219.54 : x
2. Step 2: Convert to fraction form
   4,748.52/7,110.48 = 4,219.54/x
3. Step 3: Cross multiply
   4,748.52x = 7,110.48 × 4,219.54
4. Step 4: Simplify right side
   4,748.52x = 30,002,992.82
5. Step 5: Solve for x
   x = 30,002,992.82/4,748.52
6. Step 6: Final answer
   x = 6,318.38