Finding the Fourth Proportional to 16,695.60, 23,039.91 and 9,141.92

Step by Step Solution

1. Step 1: Write the proportion equation
   16,695.60 : 23,039.91 = 9,141.92 : x
2. Step 2: Convert to fraction form
   16,695.60/23,039.91 = 9,141.92/x
3. Step 3: Cross multiply
   16,695.60x = 23,039.91 × 9,141.92
4. Step 4: Simplify right side
   16,695.60x = 210,628,898.83
5. Step 5: Solve for x
   x = 210,628,898.83/16,695.60
6. Step 6: Final answer
   x = 12,615.83