Finding the Fourth Proportional to 10,933.90, 16,396.82 and 3,912.01

Step by Step Solution

1. Step 1: Write the proportion equation
   10,933.90 : 16,396.82 = 3,912.01 : x
2. Step 2: Convert to fraction form
   10,933.90/16,396.82 = 3,912.01/x
3. Step 3: Cross multiply
   10,933.90x = 16,396.82 × 3,912.01
4. Step 4: Simplify right side
   10,933.90x = 64,144,477.93
5. Step 5: Solve for x
   x = 64,144,477.93/10,933.90
6. Step 6: Final answer
   x = 5,866.57