Finding the Fourth Proportional to 13,005.49, 17,941.69 and 8,286.84

Step by Step Solution

1. Step 1: Write the proportion equation
   13,005.49 : 17,941.69 = 8,286.84 : x
2. Step 2: Convert to fraction form
   13,005.49/17,941.69 = 8,286.84/x
3. Step 3: Cross multiply
   13,005.49x = 17,941.69 × 8,286.84
4. Step 4: Simplify right side
   13,005.49x = 148,679,783.22
5. Step 5: Solve for x
   x = 148,679,783.22/13,005.49
6. Step 6: Final answer
   x = 11,432.08