Finding the Fourth Proportional to 23,436.78, 32,342.79 and 12,826.49

Step by Step Solution

1. Step 1: Write the proportion equation
   23,436.78 : 32,342.79 = 12,826.49 : x
2. Step 2: Convert to fraction form
   23,436.78/32,342.79 = 12,826.49/x
3. Step 3: Cross multiply
   23,436.78x = 32,342.79 × 12,826.49
4. Step 4: Simplify right side
   23,436.78x = 414,844,358.89
5. Step 5: Solve for x
   x = 414,844,358.89/23,436.78
6. Step 6: Final answer
   x = 17,700.57