Finding the Fourth Proportional to 23,248.76, 32,083.56 and 12,638.16

Step by Step Solution

1. Step 1: Write the proportion equation
   23,248.76 : 32,083.56 = 12,638.16 : x
2. Step 2: Convert to fraction form
   23,248.76/32,083.56 = 12,638.16/x
3. Step 3: Cross multiply
   23,248.76x = 32,083.56 × 12,638.16
4. Step 4: Simplify right side
   23,248.76x = 405,477,164.65
5. Step 5: Solve for x
   x = 405,477,164.65/23,248.76
6. Step 6: Final answer
   x = 17,440.81