Finding the Fourth Proportional to 4,449.20, 6,141.83 and 3,127.82

Step by Step Solution

1. Step 1: Write the proportion equation
   4,449.20 : 6,141.83 = 3,127.82 : x
2. Step 2: Convert to fraction form
   4,449.20/6,141.83 = 3,127.82/x
3. Step 3: Cross multiply
   4,449.20x = 6,141.83 × 3,127.82
4. Step 4: Simplify right side
   4,449.20x = 19,210,492.36
5. Step 5: Solve for x
   x = 19,210,492.36/4,449.20
6. Step 6: Final answer
   x = 4,317.75