Finding the Fourth Proportional to 13,971.89, 19,281.22 and 7,684.27

Step by Step Solution

1. Step 1: Write the proportion equation
   13,971.89 : 19,281.22 = 7,684.27 : x
2. Step 2: Convert to fraction form
   13,971.89/19,281.22 = 7,684.27/x
3. Step 3: Cross multiply
   13,971.89x = 19,281.22 × 7,684.27
4. Step 4: Simplify right side
   13,971.89x = 148,162,033.00
5. Step 5: Solve for x
   x = 148,162,033.00/13,971.89
6. Step 6: Final answer
   x = 10,604.29