Finding the Fourth Proportional to 10,896.19, 16,346.71 and 3,970.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,896.19 : 16,346.71 = 3,970.69 : x
2. Step 2: Convert to fraction form
   10,896.19/16,346.71 = 3,970.69/x
3. Step 3: Cross multiply
   10,896.19x = 16,346.71 × 3,970.69
4. Step 4: Simplify right side
   10,896.19x = 64,907,682.03
5. Step 5: Solve for x
   x = 64,907,682.03/10,896.19
6. Step 6: Final answer
   x = 5,956.92