Finding the Fourth Proportional to 4,245.28, 5,855.89 and 3,047.91

Step by Step Solution

1. Step 1: Write the proportion equation
   4,245.28 : 5,855.89 = 3,047.91 : x
2. Step 2: Convert to fraction form
   4,245.28/5,855.89 = 3,047.91/x
3. Step 3: Cross multiply
   4,245.28x = 5,855.89 × 3,047.91
4. Step 4: Simplify right side
   4,245.28x = 17,848,225.69
5. Step 5: Solve for x
   x = 17,848,225.69/4,245.28
6. Step 6: Final answer
   x = 4,204.25