Finding the Fourth Proportional to 407,648.39, 562,606.61 and 246,504.56

Step by Step Solution

1. Step 1: Write the proportion equation
   407,648.39 : 562,606.61 = 246,504.56 : x
2. Step 2: Convert to fraction form
   407,648.39/562,606.61 = 246,504.56/x
3. Step 3: Cross multiply
   407,648.39x = 562,606.61 × 246,504.56
4. Step 4: Simplify right side
   407,648.39x = 138,685,090,805.59
5. Step 5: Solve for x
   x = 138,685,090,805.59/407,648.39
6. Step 6: Final answer
   x = 340,207.63