Finding the Fourth Proportional to 5,018.91, 7,514.50 and 3,782.57

Step by Step Solution

1. Step 1: Write the proportion equation
   5,018.91 : 7,514.50 = 3,782.57 : x
2. Step 2: Convert to fraction form
   5,018.91/7,514.50 = 3,782.57/x
3. Step 3: Cross multiply
   5,018.91x = 7,514.50 × 3,782.57
4. Step 4: Simplify right side
   5,018.91x = 28,424,119.35
5. Step 5: Solve for x
   x = 28,424,119.35/5,018.91
6. Step 6: Final answer
   x = 5,663.41