Finding the Fourth Proportional to 23,839.50, 32,898.51 and 15,456

Step by Step Solution

1. Step 1: Write the proportion equation
   23,839.50 : 32,898.51 = 15,456 : x
2. Step 2: Convert to fraction form
   23,839.50/32,898.51 = 15,456/x
3. Step 3: Cross multiply
   23,839.50x = 32,898.51 × 15,456
4. Step 4: Simplify right side
   23,839.50x = 508,479,370.56
5. Step 5: Solve for x
   x = 508,479,370.56/23,839.50
6. Step 6: Final answer
   x = 21,329.28