Finding the Fourth Proportional to 7,047.25, 10,563.89 and 3,928.68

Step by Step Solution

1. Step 1: Write the proportion equation
   7,047.25 : 10,563.89 = 3,928.68 : x
2. Step 2: Convert to fraction form
   7,047.25/10,563.89 = 3,928.68/x
3. Step 3: Cross multiply
   7,047.25x = 10,563.89 × 3,928.68
4. Step 4: Simplify right side
   7,047.25x = 41,502,123.72
5. Step 5: Solve for x
   x = 41,502,123.72/7,047.25
6. Step 6: Final answer
   x = 5,889.13