Finding the Fourth Proportional to 20,005.98, 27,604.96 and 12,460.83

Step by Step Solution

1. Step 1: Write the proportion equation
   20,005.98 : 27,604.96 = 12,460.83 : x
2. Step 2: Convert to fraction form
   20,005.98/27,604.96 = 12,460.83/x
3. Step 3: Cross multiply
   20,005.98x = 27,604.96 × 12,460.83
4. Step 4: Simplify right side
   20,005.98x = 343,980,713.72
5. Step 5: Solve for x
   x = 343,980,713.72/20,005.98
6. Step 6: Final answer
   x = 17,193.89