Finding the Fourth Proportional to 10,918.56, 16,377.83 and 4,343.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,918.56 : 16,377.83 = 4,343.22 : x
2. Step 2: Convert to fraction form
   10,918.56/16,377.83 = 4,343.22/x
3. Step 3: Cross multiply
   10,918.56x = 16,377.83 × 4,343.22
4. Step 4: Simplify right side
   10,918.56x = 71,132,513.38
5. Step 5: Solve for x
   x = 71,132,513.38/10,918.56
6. Step 6: Final answer
   x = 6,514.82