Finding the Fourth Proportional to 7,019.72, 10,514.22 and 4,277.96

Step by Step Solution

1. Step 1: Write the proportion equation
   7,019.72 : 10,514.22 = 4,277.96 : x
2. Step 2: Convert to fraction form
   7,019.72/10,514.22 = 4,277.96/x
3. Step 3: Cross multiply
   7,019.72x = 10,514.22 × 4,277.96
4. Step 4: Simplify right side
   7,019.72x = 44,979,412.59
5. Step 5: Solve for x
   x = 44,979,412.59/7,019.72
6. Step 6: Final answer
   x = 6,407.58