Finding the Fourth Proportional to 11,788.80, 16,268.42 and 6,483.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,788.80 : 16,268.42 = 6,483.69 : x
2. Step 2: Convert to fraction form
   11,788.80/16,268.42 = 6,483.69/x
3. Step 3: Cross multiply
   11,788.80x = 16,268.42 × 6,483.69
4. Step 4: Simplify right side
   11,788.80x = 105,479,359.65
5. Step 5: Solve for x
   x = 105,479,359.65/11,788.80
6. Step 6: Final answer
   x = 8,947.42