Finding the Fourth Proportional to 23,493.32, 32,389.41 and 18,664.07

Step by Step Solution

1. Step 1: Write the proportion equation
   23,493.32 : 32,389.41 = 18,664.07 : x
2. Step 2: Convert to fraction form
   23,493.32/32,389.41 = 18,664.07/x
3. Step 3: Cross multiply
   23,493.32x = 32,389.41 × 18,664.07
4. Step 4: Simplify right side
   23,493.32x = 604,518,018.56
5. Step 5: Solve for x
   x = 604,518,018.56/23,493.32
6. Step 6: Final answer
   x = 25,731.49