Finding the Fourth Proportional to 23,253.56, 32,089.46 and 12,643.10

Step by Step Solution

1. Step 1: Write the proportion equation
   23,253.56 : 32,089.46 = 12,643.10 : x
2. Step 2: Convert to fraction form
   23,253.56/32,089.46 = 12,643.10/x
3. Step 3: Cross multiply
   23,253.56x = 32,089.46 × 12,643.10
4. Step 4: Simplify right side
   23,253.56x = 405,710,251.73
5. Step 5: Solve for x
   x = 405,710,251.73/23,253.56
6. Step 6: Final answer
   x = 17,447.23