Finding the Fourth Proportional to 11,082.31, 16,558.56 and 10,694.73

Step by Step Solution

1. Step 1: Write the proportion equation
   11,082.31 : 16,558.56 = 10,694.73 : x
2. Step 2: Convert to fraction form
   11,082.31/16,558.56 = 10,694.73/x
3. Step 3: Cross multiply
   11,082.31x = 16,558.56 × 10,694.73
4. Step 4: Simplify right side
   11,082.31x = 177,089,192.12
5. Step 5: Solve for x
   x = 177,089,192.12/11,082.31
6. Step 6: Final answer
   x = 15,979.45