Finding the Fourth Proportional to 23,665.17, 32,657.76 and 13,054.56

Step by Step Solution

1. Step 1: Write the proportion equation
   23,665.17 : 32,657.76 = 13,054.56 : x
2. Step 2: Convert to fraction form
   23,665.17/32,657.76 = 13,054.56/x
3. Step 3: Cross multiply
   23,665.17x = 32,657.76 × 13,054.56
4. Step 4: Simplify right side
   23,665.17x = 426,332,687.39
5. Step 5: Solve for x
   x = 426,332,687.39/23,665.17
6. Step 6: Final answer
   x = 18,015.20