Finding the Fourth Proportional to 9,327.54, 12,865.59 and 8,929.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,327.54 : 12,865.59 = 8,929.02 : x
2. Step 2: Convert to fraction form
   9,327.54/12,865.59 = 8,929.02/x
3. Step 3: Cross multiply
   9,327.54x = 12,865.59 × 8,929.02
4. Step 4: Simplify right side
   9,327.54x = 114,877,110.42
5. Step 5: Solve for x
   x = 114,877,110.42/9,327.54
6. Step 6: Final answer
   x = 12,315.91