Finding the Fourth Proportional to 9,211.46, 12,711.69 and 5,019.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,211.46 : 12,711.69 = 5,019.62 : x
2. Step 2: Convert to fraction form
   9,211.46/12,711.69 = 5,019.62/x
3. Step 3: Cross multiply
   9,211.46x = 12,711.69 × 5,019.62
4. Step 4: Simplify right side
   9,211.46x = 63,807,853.36
5. Step 5: Solve for x
   x = 63,807,853.36/9,211.46
6. Step 6: Final answer
   x = 6,927.01