Finding the Fourth Proportional to 9,805.88, 14,698.69 and 3,880.37

Step by Step Solution

1. Step 1: Write the proportion equation
   9,805.88 : 14,698.69 = 3,880.37 : x
2. Step 2: Convert to fraction form
   9,805.88/14,698.69 = 3,880.37/x
3. Step 3: Cross multiply
   9,805.88x = 14,698.69 × 3,880.37
4. Step 4: Simplify right side
   9,805.88x = 57,036,355.72
5. Step 5: Solve for x
   x = 57,036,355.72/9,805.88
6. Step 6: Final answer
   x = 5,816.55