Finding the Fourth Proportional to 3,531.27, 5,270.71 and 3,116.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,531.27 : 5,270.71 = 3,116.10 : x
2. Step 2: Convert to fraction form
   3,531.27/5,270.71 = 3,116.10/x
3. Step 3: Cross multiply
   3,531.27x = 5,270.71 × 3,116.10
4. Step 4: Simplify right side
   3,531.27x = 16,424,051.64
5. Step 5: Solve for x
   x = 16,424,051.64/3,531.27
6. Step 6: Final answer
   x = 4,651.03