Finding the Fourth Proportional to 41,957.63, 62,921.45 and 13,872.50

Step by Step Solution

1. Step 1: Write the proportion equation
   41,957.63 : 62,921.45 = 13,872.50 : x
2. Step 2: Convert to fraction form
   41,957.63/62,921.45 = 13,872.50/x
3. Step 3: Cross multiply
   41,957.63x = 62,921.45 × 13,872.50
4. Step 4: Simplify right side
   41,957.63x = 872,877,771.15
5. Step 5: Solve for x
   x = 872,877,771.15/41,957.63
6. Step 6: Final answer
   x = 20,803.79