Finding the Fourth Proportional to 11,049.42, 16,549.83 and 7,141.98

Step by Step Solution

1. Step 1: Write the proportion equation
   11,049.42 : 16,549.83 = 7,141.98 : x
2. Step 2: Convert to fraction form
   11,049.42/16,549.83 = 7,141.98/x
3. Step 3: Cross multiply
   11,049.42x = 16,549.83 × 7,141.98
4. Step 4: Simplify right side
   11,049.42x = 118,198,554.86
5. Step 5: Solve for x
   x = 118,198,554.86/11,049.42
6. Step 6: Final answer
   x = 10,697.26