Finding the Fourth Proportional to 23,078.55, 31,848.42 and 12,468.18

Step by Step Solution

1. Step 1: Write the proportion equation
   23,078.55 : 31,848.42 = 12,468.18 : x
2. Step 2: Convert to fraction form
   23,078.55/31,848.42 = 12,468.18/x
3. Step 3: Cross multiply
   23,078.55x = 31,848.42 × 12,468.18
4. Step 4: Simplify right side
   23,078.55x = 397,091,833.28
5. Step 5: Solve for x
   x = 397,091,833.28/23,078.55
6. Step 6: Final answer
   x = 17,206.10