Finding the Fourth Proportional to 47,498.03, 71,245.02 and 12,436.91

Step by Step Solution

1. Step 1: Write the proportion equation
   47,498.03 : 71,245.02 = 12,436.91 : x
2. Step 2: Convert to fraction form
   47,498.03/71,245.02 = 12,436.91/x
3. Step 3: Cross multiply
   47,498.03x = 71,245.02 × 12,436.91
4. Step 4: Simplify right side
   47,498.03x = 886,067,901.69
5. Step 5: Solve for x
   x = 886,067,901.69/47,498.03
6. Step 6: Final answer
   x = 18,654.83