Finding the Fourth Proportional to 3,580.30, 5,375.94 and 3,514.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,580.30 : 5,375.94 = 3,514.72 : x
2. Step 2: Convert to fraction form
   3,580.30/5,375.94 = 3,514.72/x
3. Step 3: Cross multiply
   3,580.30x = 5,375.94 × 3,514.72
4. Step 4: Simplify right side
   3,580.30x = 18,894,923.84
5. Step 5: Solve for x
   x = 18,894,923.84/3,580.30
6. Step 6: Final answer
   x = 5,277.47