Finding the Fourth Proportional to 10,591.88, 15,888.23 and 3,196.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,591.88 : 15,888.23 = 3,196.34 : x
2. Step 2: Convert to fraction form
   10,591.88/15,888.23 = 3,196.34/x
3. Step 3: Cross multiply
   10,591.88x = 15,888.23 × 3,196.34
4. Step 4: Simplify right side
   10,591.88x = 50,784,105.64
5. Step 5: Solve for x
   x = 50,784,105.64/10,591.88
6. Step 6: Final answer
   x = 4,794.63