Finding the Fourth Proportional to 13,363.41, 18,443.46 and 7,697.05

Step by Step Solution

1. Step 1: Write the proportion equation
   13,363.41 : 18,443.46 = 7,697.05 : x
2. Step 2: Convert to fraction form
   13,363.41/18,443.46 = 7,697.05/x
3. Step 3: Cross multiply
   13,363.41x = 18,443.46 × 7,697.05
4. Step 4: Simplify right side
   13,363.41x = 141,960,233.79
5. Step 5: Solve for x
   x = 141,960,233.79/13,363.41
6. Step 6: Final answer
   x = 10,623.05