Finding the Fourth Proportional to 4,720.52, 7,078.22 and 3,054.42

Step by Step Solution

1. Step 1: Write the proportion equation
   4,720.52 : 7,078.22 = 3,054.42 : x
2. Step 2: Convert to fraction form
   4,720.52/7,078.22 = 3,054.42/x
3. Step 3: Cross multiply
   4,720.52x = 7,078.22 × 3,054.42
4. Step 4: Simplify right side
   4,720.52x = 21,619,841.46
5. Step 5: Solve for x
   x = 21,619,841.46/4,720.52
6. Step 6: Final answer
   x = 4,579.98