Finding the Fourth Proportional to 11,788.56, 16,268.32 and 6,483.40

Step by Step Solution

1. Step 1: Write the proportion equation
   11,788.56 : 16,268.32 = 6,483.40 : x
2. Step 2: Convert to fraction form
   11,788.56/16,268.32 = 6,483.40/x
3. Step 3: Cross multiply
   11,788.56x = 16,268.32 × 6,483.40
4. Step 4: Simplify right side
   11,788.56x = 105,474,025.89
5. Step 5: Solve for x
   x = 105,474,025.89/11,788.56
6. Step 6: Final answer
   x = 8,947.15