Finding the Fourth Proportional to 16,695.31, 23,040.18 and 9,141.19

Step by Step Solution

1. Step 1: Write the proportion equation
   16,695.31 : 23,040.18 = 9,141.19 : x
2. Step 2: Convert to fraction form
   16,695.31/23,040.18 = 9,141.19/x
3. Step 3: Cross multiply
   16,695.31x = 23,040.18 × 9,141.19
4. Step 4: Simplify right side
   16,695.31x = 210,614,663.01
5. Step 5: Solve for x
   x = 210,614,663.01/16,695.31
6. Step 6: Final answer
   x = 12,615.20