Finding the Fourth Proportional to 12,419.01, 18,628.83 and 4,626.27

Step by Step Solution

1. Step 1: Write the proportion equation
   12,419.01 : 18,628.83 = 4,626.27 : x
2. Step 2: Convert to fraction form
   12,419.01/18,628.83 = 4,626.27/x
3. Step 3: Cross multiply
   12,419.01x = 18,628.83 × 4,626.27
4. Step 4: Simplify right side
   12,419.01x = 86,181,997.36
5. Step 5: Solve for x
   x = 86,181,997.36/12,419.01
6. Step 6: Final answer
   x = 6,939.52