Finding the Fourth Proportional to 13,401.84, 18,489.63 and 8,094.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,401.84 : 18,489.63 = 8,094.72 : x
2. Step 2: Convert to fraction form
   13,401.84/18,489.63 = 8,094.72/x
3. Step 3: Cross multiply
   13,401.84x = 18,489.63 × 8,094.72
4. Step 4: Simplify right side
   13,401.84x = 149,668,377.75
5. Step 5: Solve for x
   x = 149,668,377.75/13,401.84
6. Step 6: Final answer
   x = 11,167.75