Finding the Fourth Proportional to 41,580.48, 62,357.76 and 13,872

Step by Step Solution

1. Step 1: Write the proportion equation
   41,580.48 : 62,357.76 = 13,872 : x
2. Step 2: Convert to fraction form
   41,580.48/62,357.76 = 13,872/x
3. Step 3: Cross multiply
   41,580.48x = 62,357.76 × 13,872
4. Step 4: Simplify right side
   41,580.48x = 865,026,846.72
5. Step 5: Solve for x
   x = 865,026,846.72/41,580.48
6. Step 6: Final answer
   x = 20,803.68