Finding the Fourth Proportional to 8,030.72, 12,046.72 and 7,929.60

Step by Step Solution

1. Step 1: Write the proportion equation
   8,030.72 : 12,046.72 = 7,929.60 : x
2. Step 2: Convert to fraction form
   8,030.72/12,046.72 = 7,929.60/x
3. Step 3: Cross multiply
   8,030.72x = 12,046.72 × 7,929.60
4. Step 4: Simplify right side
   8,030.72x = 95,525,670.91
5. Step 5: Solve for x
   x = 95,525,670.91/8,030.72
6. Step 6: Final answer
   x = 11,895.03