Finding the Fourth Proportional to 41,908, 62,862.72 and 14,206.72

Step by Step Solution

1. Step 1: Write the proportion equation
   41,908 : 62,862.72 = 14,206.72 : x
2. Step 2: Convert to fraction form
   41,908/62,862.72 = 14,206.72/x
3. Step 3: Cross multiply
   41,908x = 62,862.72 × 14,206.72
4. Step 4: Simplify right side
   41,908x = 893,073,061.48
5. Step 5: Solve for x
   x = 893,073,061.48/41,908
6. Step 6: Final answer
   x = 21,310.32