Finding the Fourth Proportional to 13,363.40, 18,441.72 and 7,314.17

Step by Step Solution

1. Step 1: Write the proportion equation
   13,363.40 : 18,441.72 = 7,314.17 : x
2. Step 2: Convert to fraction form
   13,363.40/18,441.72 = 7,314.17/x
3. Step 3: Cross multiply
   13,363.40x = 18,441.72 × 7,314.17
4. Step 4: Simplify right side
   13,363.40x = 134,885,875.17
5. Step 5: Solve for x
   x = 134,885,875.17/13,363.40
6. Step 6: Final answer
   x = 10,093.68