Finding the Fourth Proportional to 9,165.93, 12,630.83 and 6,505.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,165.93 : 12,630.83 = 6,505.89 : x
2. Step 2: Convert to fraction form
   9,165.93/12,630.83 = 6,505.89/x
3. Step 3: Cross multiply
   9,165.93x = 12,630.83 × 6,505.89
4. Step 4: Simplify right side
   9,165.93x = 82,174,790.59
5. Step 5: Solve for x
   x = 82,174,790.59/9,165.93
6. Step 6: Final answer
   x = 8,965.24