Finding the Fourth Proportional to 8,077.37, 12,111.49 and 3,141.35

Step by Step Solution

1. Step 1: Write the proportion equation
   8,077.37 : 12,111.49 = 3,141.35 : x
2. Step 2: Convert to fraction form
   8,077.37/12,111.49 = 3,141.35/x
3. Step 3: Cross multiply
   8,077.37x = 12,111.49 × 3,141.35
4. Step 4: Simplify right side
   8,077.37x = 38,046,429.11
5. Step 5: Solve for x
   x = 38,046,429.11/8,077.37
6. Step 6: Final answer
   x = 4,710.25