Finding the Fourth Proportional to 3,506.81, 5,234.51 and 3,091.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,506.81 : 5,234.51 = 3,091.59 : x
2. Step 2: Convert to fraction form
   3,506.81/5,234.51 = 3,091.59/x
3. Step 3: Cross multiply
   3,506.81x = 5,234.51 × 3,091.59
4. Step 4: Simplify right side
   3,506.81x = 16,182,966.50
5. Step 5: Solve for x
   x = 16,182,966.50/3,506.81
6. Step 6: Final answer
   x = 4,614.73