Finding the Fourth Proportional to 8,042.01, 12,081.56 and 7,709.87

Step by Step Solution

1. Step 1: Write the proportion equation
   8,042.01 : 12,081.56 = 7,709.87 : x
2. Step 2: Convert to fraction form
   8,042.01/12,081.56 = 7,709.87/x
3. Step 3: Cross multiply
   8,042.01x = 12,081.56 × 7,709.87
4. Step 4: Simplify right side
   8,042.01x = 93,147,257.00
5. Step 5: Solve for x
   x = 93,147,257.00/8,042.01
6. Step 6: Final answer
   x = 11,582.58