Finding the Fourth Proportional to 12,736.32, 19,118.32 and 10,771.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,736.32 : 19,118.32 = 10,771.10 : x
2. Step 2: Convert to fraction form
   12,736.32/19,118.32 = 10,771.10/x
3. Step 3: Cross multiply
   12,736.32x = 19,118.32 × 10,771.10
4. Step 4: Simplify right side
   12,736.32x = 205,925,297.94
5. Step 5: Solve for x
   x = 205,925,297.94/12,736.32
6. Step 6: Final answer
   x = 16,168.35