Finding the Fourth Proportional to 23,078.79, 31,848.69 and 12,468.39

Step by Step Solution

1. Step 1: Write the proportion equation
   23,078.79 : 31,848.69 = 12,468.39 : x
2. Step 2: Convert to fraction form
   23,078.79/31,848.69 = 12,468.39/x
3. Step 3: Cross multiply
   23,078.79x = 31,848.69 × 12,468.39
4. Step 4: Simplify right side
   23,078.79x = 397,101,887.91
5. Step 5: Solve for x
   x = 397,101,887.91/23,078.79
6. Step 6: Final answer
   x = 17,206.36