Finding the Fourth Proportional to 19,671.34, 27,147.27 and 10,719.34

Step by Step Solution

1. Step 1: Write the proportion equation
   19,671.34 : 27,147.27 = 10,719.34 : x
2. Step 2: Convert to fraction form
   19,671.34/27,147.27 = 10,719.34/x
3. Step 3: Cross multiply
   19,671.34x = 27,147.27 × 10,719.34
4. Step 4: Simplify right side
   19,671.34x = 291,000,817.20
5. Step 5: Solve for x
   x = 291,000,817.20/19,671.34
6. Step 6: Final answer
   x = 14,793.14