Finding the Fourth Proportional to 23,494.32, 32,390.79 and 18,665.07

Step by Step Solution

1. Step 1: Write the proportion equation
   23,494.32 : 32,390.79 = 18,665.07 : x
2. Step 2: Convert to fraction form
   23,494.32/32,390.79 = 18,665.07/x
3. Step 3: Cross multiply
   23,494.32x = 32,390.79 × 18,665.07
4. Step 4: Simplify right side
   23,494.32x = 604,576,107.43
5. Step 5: Solve for x
   x = 604,576,107.43/23,494.32
6. Step 6: Final answer
   x = 25,732.87