Finding the Fourth Proportional to 8,077.58, 12,111.41 and 3,141.47

Step by Step Solution

1. Step 1: Write the proportion equation
   8,077.58 : 12,111.41 = 3,141.47 : x
2. Step 2: Convert to fraction form
   8,077.58/12,111.41 = 3,141.47/x
3. Step 3: Cross multiply
   8,077.58x = 12,111.41 × 3,141.47
4. Step 4: Simplify right side
   8,077.58x = 38,047,669.30
5. Step 5: Solve for x
   x = 38,047,669.30/8,077.58
6. Step 6: Final answer
   x = 4,710.28