Finding the Fourth Proportional to 23,449, 32,360.45 and 12,838.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,449 : 32,360.45 = 12,838.72 : x
2. Step 2: Convert to fraction form
   23,449/32,360.45 = 12,838.72/x
3. Step 3: Cross multiply
   23,449x = 32,360.45 × 12,838.72
4. Step 4: Simplify right side
   23,449x = 415,466,756.62
5. Step 5: Solve for x
   x = 415,466,756.62/23,449
6. Step 6: Final answer
   x = 17,717.89