Finding the Fourth Proportional to 19,672, 27,147.42 and 10,719.58

Step by Step Solution

1. Step 1: Write the proportion equation
   19,672 : 27,147.42 = 10,719.58 : x
2. Step 2: Convert to fraction form
   19,672/27,147.42 = 10,719.58/x
3. Step 3: Cross multiply
   19,672x = 27,147.42 × 10,719.58
4. Step 4: Simplify right side
   19,672x = 291,008,940.48
5. Step 5: Solve for x
   x = 291,008,940.48/19,672
6. Step 6: Final answer
   x = 14,793.05