Finding the Fourth Proportional to 8,010.48, 12,006.31 and 7,087.89

Step by Step Solution

1. Step 1: Write the proportion equation
   8,010.48 : 12,006.31 = 7,087.89 : x
2. Step 2: Convert to fraction form
   8,010.48/12,006.31 = 7,087.89/x
3. Step 3: Cross multiply
   8,010.48x = 12,006.31 × 7,087.89
4. Step 4: Simplify right side
   8,010.48x = 85,099,404.59
5. Step 5: Solve for x
   x = 85,099,404.59/8,010.48
6. Step 6: Final answer
   x = 10,623.51