Finding the Fourth Proportional to 8,187.90, 12,271.58 and 3,502.41

Step by Step Solution

1. Step 1: Write the proportion equation
   8,187.90 : 12,271.58 = 3,502.41 : x
2. Step 2: Convert to fraction form
   8,187.90/12,271.58 = 3,502.41/x
3. Step 3: Cross multiply
   8,187.90x = 12,271.58 × 3,502.41
4. Step 4: Simplify right side
   8,187.90x = 42,980,104.51
5. Step 5: Solve for x
   x = 42,980,104.51/8,187.90
6. Step 6: Final answer
   x = 5,249.22