Finding the Fourth Proportional to 25,981.83, 38,956.48 and 10,981.19

Step by Step Solution

1. Step 1: Write the proportion equation
   25,981.83 : 38,956.48 = 10,981.19 : x
2. Step 2: Convert to fraction form
   25,981.83/38,956.48 = 10,981.19/x
3. Step 3: Cross multiply
   25,981.83x = 38,956.48 × 10,981.19
4. Step 4: Simplify right side
   25,981.83x = 427,788,578.55
5. Step 5: Solve for x
   x = 427,788,578.55/25,981.83
6. Step 6: Final answer
   x = 16,464.91