Finding the Fourth Proportional to 9,169.34, 12,665.54 and 6,784.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,169.34 : 12,665.54 = 6,784.18 : x
2. Step 2: Convert to fraction form
   9,169.34/12,665.54 = 6,784.18/x
3. Step 3: Cross multiply
   9,169.34x = 12,665.54 × 6,784.18
4. Step 4: Simplify right side
   9,169.34x = 85,925,288.45
5. Step 5: Solve for x
   x = 85,925,288.45/9,169.34
6. Step 6: Final answer
   x = 9,370.94