Finding the Fourth Proportional to 3,424.10, 5,111.38 and 3,008.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,424.10 : 5,111.38 = 3,008.91 : x
2. Step 2: Convert to fraction form
   3,424.10/5,111.38 = 3,008.91/x
3. Step 3: Cross multiply
   3,424.10x = 5,111.38 × 3,008.91
4. Step 4: Simplify right side
   3,424.10x = 15,379,667.35
5. Step 5: Solve for x
   x = 15,379,667.35/3,424.10
6. Step 6: Final answer
   x = 4,491.60