Finding the Fourth Proportional to 12,711.18, 19,063.35 and 5,314.11

Step by Step Solution

1. Step 1: Write the proportion equation
   12,711.18 : 19,063.35 = 5,314.11 : x
2. Step 2: Convert to fraction form
   12,711.18/19,063.35 = 5,314.11/x
3. Step 3: Cross multiply
   12,711.18x = 19,063.35 × 5,314.11
4. Step 4: Simplify right side
   12,711.18x = 101,304,667.38
5. Step 5: Solve for x
   x = 101,304,667.38/12,711.18
6. Step 6: Final answer
   x = 7,969.73