Finding the Fourth Proportional to 3,504.81, 5,234.50 and 3,175.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,504.81 : 5,234.50 = 3,175.09 : x
2. Step 2: Convert to fraction form
   3,504.81/5,234.50 = 3,175.09/x
3. Step 3: Cross multiply
   3,504.81x = 5,234.50 × 3,175.09
4. Step 4: Simplify right side
   3,504.81x = 16,620,008.61
5. Step 5: Solve for x
   x = 16,620,008.61/3,504.81
6. Step 6: Final answer
   x = 4,742.06