Finding the Fourth Proportional to 3,116.26, 4,242.52 and 3,064.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,116.26 : 4,242.52 = 3,064.42 : x
2. Step 2: Convert to fraction form
   3,116.26/4,242.52 = 3,064.42/x
3. Step 3: Cross multiply
   3,116.26x = 4,242.52 × 3,064.42
4. Step 4: Simplify right side
   3,116.26x = 13,000,863.14
5. Step 5: Solve for x
   x = 13,000,863.14/3,116.26
6. Step 6: Final answer
   x = 4,171.94