Finding the Fourth Proportional to 10,591.71, 15,888.89 and 3,196.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,591.71 : 15,888.89 = 3,196.16 : x
2. Step 2: Convert to fraction form
   10,591.71/15,888.89 = 3,196.16/x
3. Step 3: Cross multiply
   10,591.71x = 15,888.89 × 3,196.16
4. Step 4: Simplify right side
   10,591.71x = 50,783,339.24
5. Step 5: Solve for x
   x = 50,783,339.24/10,591.71
6. Step 6: Final answer
   x = 4,794.63