Finding the Fourth Proportional to 41,641.60, 62,458.56 and 13,939.84

Step by Step Solution

1. Step 1: Write the proportion equation
   41,641.60 : 62,458.56 = 13,939.84 : x
2. Step 2: Convert to fraction form
   41,641.60/62,458.56 = 13,939.84/x
3. Step 3: Cross multiply
   41,641.60x = 62,458.56 × 13,939.84
4. Step 4: Simplify right side
   41,641.60x = 870,662,333.03
5. Step 5: Solve for x
   x = 870,662,333.03/41,641.60
6. Step 6: Final answer
   x = 20,908.47