Finding the Fourth Proportional to 19,672.82, 27,147.37 and 10,719.89

Step by Step Solution

1. Step 1: Write the proportion equation
   19,672.82 : 27,147.37 = 10,719.89 : x
2. Step 2: Convert to fraction form
   19,672.82/27,147.37 = 10,719.89/x
3. Step 3: Cross multiply
   19,672.82x = 27,147.37 × 10,719.89
4. Step 4: Simplify right side
   19,672.82x = 291,016,820.19
5. Step 5: Solve for x
   x = 291,016,820.19/19,672.82
6. Step 6: Final answer
   x = 14,792.84