Finding the Fourth Proportional to 9,804.82, 14,703.12 and 3,880.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,804.82 : 14,703.12 = 3,880.78 : x
2. Step 2: Convert to fraction form
   9,804.82/14,703.12 = 3,880.78/x
3. Step 3: Cross multiply
   9,804.82x = 14,703.12 × 3,880.78
4. Step 4: Simplify right side
   9,804.82x = 57,059,574.03
5. Step 5: Solve for x
   x = 57,059,574.03/9,804.82
6. Step 6: Final answer
   x = 5,819.54