Finding the Fourth Proportional to 5,423.72, 7,483.56 and 3,065.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,423.72 : 7,483.56 = 3,065.72 : x
2. Step 2: Convert to fraction form
   5,423.72/7,483.56 = 3,065.72/x
3. Step 3: Cross multiply
   5,423.72x = 7,483.56 × 3,065.72
4. Step 4: Simplify right side
   5,423.72x = 22,942,499.56
5. Step 5: Solve for x
   x = 22,942,499.56/5,423.72
6. Step 6: Final answer
   x = 4,230.03