Finding the Fourth Proportional to 3,506.61, 5,231.19 and 3,411.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,506.61 : 5,231.19 = 3,411.27 : x
2. Step 2: Convert to fraction form
   3,506.61/5,231.19 = 3,411.27/x
3. Step 3: Cross multiply
   3,506.61x = 5,231.19 × 3,411.27
4. Step 4: Simplify right side
   3,506.61x = 17,845,001.51
5. Step 5: Solve for x
   x = 17,845,001.51/3,506.61
6. Step 6: Final answer
   x = 5,088.96