Finding the Fourth Proportional to 12,377.05, 18,570.43 and 5,446.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,377.05 : 18,570.43 = 5,446.69 : x
2. Step 2: Convert to fraction form
   12,377.05/18,570.43 = 5,446.69/x
3. Step 3: Cross multiply
   12,377.05x = 18,570.43 × 5,446.69
4. Step 4: Simplify right side
   12,377.05x = 101,147,335.76
5. Step 5: Solve for x
   x = 101,147,335.76/12,377.05
6. Step 6: Final answer
   x = 8,172.17