Finding the Fourth Proportional to 4,845.56, 7,279.34 and 4,189.46

Step by Step Solution

1. Step 1: Write the proportion equation
   4,845.56 : 7,279.34 = 4,189.46 : x
2. Step 2: Convert to fraction form
   4,845.56/7,279.34 = 4,189.46/x
3. Step 3: Cross multiply
   4,845.56x = 7,279.34 × 4,189.46
4. Step 4: Simplify right side
   4,845.56x = 30,496,446.41
5. Step 5: Solve for x
   x = 30,496,446.41/4,845.56
6. Step 6: Final answer
   x = 6,293.70