Finding the Fourth Proportional to 11,770.72, 16,243.88 and 6,465.88

Step by Step Solution

1. Step 1: Write the proportion equation
   11,770.72 : 16,243.88 = 6,465.88 : x
2. Step 2: Convert to fraction form
   11,770.72/16,243.88 = 6,465.88/x
3. Step 3: Cross multiply
   11,770.72x = 16,243.88 × 6,465.88
4. Step 4: Simplify right side
   11,770.72x = 105,030,978.81
5. Step 5: Solve for x
   x = 105,030,978.81/11,770.72
6. Step 6: Final answer
   x = 8,923.07