Finding the Fourth Proportional to 10,932.69, 16,402.49 and 3,912.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,932.69 : 16,402.49 = 3,912.54 : x
2. Step 2: Convert to fraction form
   10,932.69/16,402.49 = 3,912.54/x
3. Step 3: Cross multiply
   10,932.69x = 16,402.49 × 3,912.54
4. Step 4: Simplify right side
   10,932.69x = 64,175,398.22
5. Step 5: Solve for x
   x = 64,175,398.22/10,932.69
6. Step 6: Final answer
   x = 5,870.05