Finding the Fourth Proportional to 11,123.10, 16,619.31 and 10,735.47

Step by Step Solution

1. Step 1: Write the proportion equation
   11,123.10 : 16,619.31 = 10,735.47 : x
2. Step 2: Convert to fraction form
   11,123.10/16,619.31 = 10,735.47/x
3. Step 3: Cross multiply
   11,123.10x = 16,619.31 × 10,735.47
4. Step 4: Simplify right side
   11,123.10x = 178,416,103.93
5. Step 5: Solve for x
   x = 178,416,103.93/11,123.10
6. Step 6: Final answer
   x = 16,040.14