Finding the Fourth Proportional to 10,845.18, 16,269.39 and 3,447.45

Step by Step Solution

1. Step 1: Write the proportion equation
   10,845.18 : 16,269.39 = 3,447.45 : x
2. Step 2: Convert to fraction form
   10,845.18/16,269.39 = 3,447.45/x
3. Step 3: Cross multiply
   10,845.18x = 16,269.39 × 3,447.45
4. Step 4: Simplify right side
   10,845.18x = 56,087,908.56
5. Step 5: Solve for x
   x = 56,087,908.56/10,845.18
6. Step 6: Final answer
   x = 5,171.69