Finding the Fourth Proportional to 4,412.31, 6,086.37 and 3,012.63

Step by Step Solution

1. Step 1: Write the proportion equation
   4,412.31 : 6,086.37 = 3,012.63 : x
2. Step 2: Convert to fraction form
   4,412.31/6,086.37 = 3,012.63/x
3. Step 3: Cross multiply
   4,412.31x = 6,086.37 × 3,012.63
4. Step 4: Simplify right side
   4,412.31x = 18,335,980.85
5. Step 5: Solve for x
   x = 18,335,980.85/4,412.31
6. Step 6: Final answer
   x = 4,155.64