Finding the Fourth Proportional to 23,655, 32,643.90 and 14,719.32

Step by Step Solution

1. Step 1: Write the proportion equation
   23,655 : 32,643.90 = 14,719.32 : x
2. Step 2: Convert to fraction form
   23,655/32,643.90 = 14,719.32/x
3. Step 3: Cross multiply
   23,655x = 32,643.90 × 14,719.32
4. Step 4: Simplify right side
   23,655x = 480,496,010.15
5. Step 5: Solve for x
   x = 480,496,010.15/23,655
6. Step 6: Final answer
   x = 20,312.66