Finding the Fourth Proportional to 41,916.09, 62,881.91 and 13,838.10

Step by Step Solution

1. Step 1: Write the proportion equation
   41,916.09 : 62,881.91 = 13,838.10 : x
2. Step 2: Convert to fraction form
   41,916.09/62,881.91 = 13,838.10/x
3. Step 3: Cross multiply
   41,916.09x = 62,881.91 × 13,838.10
4. Step 4: Simplify right side
   41,916.09x = 870,166,158.77
5. Step 5: Solve for x
   x = 870,166,158.77/41,916.09
6. Step 6: Final answer
   x = 20,759.72