Finding the Fourth Proportional to 12,049.94, 18,085.72 and 10,087.85

Step by Step Solution

1. Step 1: Write the proportion equation
   12,049.94 : 18,085.72 = 10,087.85 : x
2. Step 2: Convert to fraction form
   12,049.94/18,085.72 = 10,087.85/x
3. Step 3: Cross multiply
   12,049.94x = 18,085.72 × 10,087.85
4. Step 4: Simplify right side
   12,049.94x = 182,446,030.50
5. Step 5: Solve for x
   x = 182,446,030.50/12,049.94
6. Step 6: Final answer
   x = 15,140.82