Finding the Fourth Proportional to 6,131.58, 8,458.20 and 4,144.92

Step by Step Solution

1. Step 1: Write the proportion equation
   6,131.58 : 8,458.20 = 4,144.92 : x
2. Step 2: Convert to fraction form
   6,131.58/8,458.20 = 4,144.92/x
3. Step 3: Cross multiply
   6,131.58x = 8,458.20 × 4,144.92
4. Step 4: Simplify right side
   6,131.58x = 35,058,562.34
5. Step 5: Solve for x
   x = 35,058,562.34/6,131.58
6. Step 6: Final answer
   x = 5,717.70