Finding the Fourth Proportional to 10,799.34, 16,174.17 and 9,012.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,799.34 : 16,174.17 = 9,012.48 : x
2. Step 2: Convert to fraction form
   10,799.34/16,174.17 = 9,012.48/x
3. Step 3: Cross multiply
   10,799.34x = 16,174.17 × 9,012.48
4. Step 4: Simplify right side
   10,799.34x = 145,769,383.64
5. Step 5: Solve for x
   x = 145,769,383.64/10,799.34
6. Step 6: Final answer
   x = 13,497.99