Finding the Fourth Proportional to 23,664.82, 32,657.56 and 12,909.94

Step by Step Solution

1. Step 1: Write the proportion equation
   23,664.82 : 32,657.56 = 12,909.94 : x
2. Step 2: Convert to fraction form
   23,664.82/32,657.56 = 12,909.94/x
3. Step 3: Cross multiply
   23,664.82x = 32,657.56 × 12,909.94
4. Step 4: Simplify right side
   23,664.82x = 421,606,912.31
5. Step 5: Solve for x
   x = 421,606,912.31/23,664.82
6. Step 6: Final answer
   x = 17,815.77