Finding the Fourth Proportional to 13,817.27, 19,065.69 and 7,766.33

Step by Step Solution

1. Step 1: Write the proportion equation
   13,817.27 : 19,065.69 = 7,766.33 : x
2. Step 2: Convert to fraction form
   13,817.27/19,065.69 = 7,766.33/x
3. Step 3: Cross multiply
   13,817.27x = 19,065.69 × 7,766.33
4. Step 4: Simplify right side
   13,817.27x = 148,070,440.22
5. Step 5: Solve for x
   x = 148,070,440.22/13,817.27
6. Step 6: Final answer
   x = 10,716.33