Finding the Fourth Proportional to 23,679, 32,677.43 and 15,310.08

Step by Step Solution

1. Step 1: Write the proportion equation
   23,679 : 32,677.43 = 15,310.08 : x
2. Step 2: Convert to fraction form
   23,679/32,677.43 = 15,310.08/x
3. Step 3: Cross multiply
   23,679x = 32,677.43 × 15,310.08
4. Step 4: Simplify right side
   23,679x = 500,293,990.94
5. Step 5: Solve for x
   x = 500,293,990.94/23,679
6. Step 6: Final answer
   x = 21,128.17