Finding the Fourth Proportional to 13,086.42, 19,636.92 and 5,295.84

Step by Step Solution

1. Step 1: Write the proportion equation
   13,086.42 : 19,636.92 = 5,295.84 : x
2. Step 2: Convert to fraction form
   13,086.42/19,636.92 = 5,295.84/x
3. Step 3: Cross multiply
   13,086.42x = 19,636.92 × 5,295.84
4. Step 4: Simplify right side
   13,086.42x = 103,993,986.41
5. Step 5: Solve for x
   x = 103,993,986.41/13,086.42
6. Step 6: Final answer
   x = 7,946.71