Finding the Fourth Proportional to 11,409.34, 17,102.38 and 7,711.94

Step by Step Solution

1. Step 1: Write the proportion equation
   11,409.34 : 17,102.38 = 7,711.94 : x
2. Step 2: Convert to fraction form
   11,409.34/17,102.38 = 7,711.94/x
3. Step 3: Cross multiply
   11,409.34x = 17,102.38 × 7,711.94
4. Step 4: Simplify right side
   11,409.34x = 131,892,528.42
5. Step 5: Solve for x
   x = 131,892,528.42/11,409.34
6. Step 6: Final answer
   x = 11,560.05