Finding the Fourth Proportional to 13,086.33, 19,623.41 and 5,686.98

Step by Step Solution

1. Step 1: Write the proportion equation
   13,086.33 : 19,623.41 = 5,686.98 : x
2. Step 2: Convert to fraction form
   13,086.33/19,623.41 = 5,686.98/x
3. Step 3: Cross multiply
   13,086.33x = 19,623.41 × 5,686.98
4. Step 4: Simplify right side
   13,086.33x = 111,597,940.20
5. Step 5: Solve for x
   x = 111,597,940.20/13,086.33
6. Step 6: Final answer
   x = 8,527.83