Finding the Fourth Proportional to 11,697.31, 16,159.37 and 10,122.67

Step by Step Solution

1. Step 1: Write the proportion equation
   11,697.31 : 16,159.37 = 10,122.67 : x
2. Step 2: Convert to fraction form
   11,697.31/16,159.37 = 10,122.67/x
3. Step 3: Cross multiply
   11,697.31x = 16,159.37 × 10,122.67
4. Step 4: Simplify right side
   11,697.31x = 163,575,939.50
5. Step 5: Solve for x
   x = 163,575,939.50/11,697.31
6. Step 6: Final answer
   x = 13,984.06