Finding the Fourth Proportional to 9,328.72, 12,869.94 and 6,495.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,328.72 : 12,869.94 = 6,495.34 : x
2. Step 2: Convert to fraction form
   9,328.72/12,869.94 = 6,495.34/x
3. Step 3: Cross multiply
   9,328.72x = 12,869.94 × 6,495.34
4. Step 4: Simplify right side
   9,328.72x = 83,594,636.08
5. Step 5: Solve for x
   x = 83,594,636.08/9,328.72
6. Step 6: Final answer
   x = 8,961.00