Finding the Fourth Proportional to 12,653.01, 17,367.82 and 12,111.73

Step by Step Solution

1. Step 1: Write the proportion equation
   12,653.01 : 17,367.82 = 12,111.73 : x
2. Step 2: Convert to fraction form
   12,653.01/17,367.82 = 12,111.73/x
3. Step 3: Cross multiply
   12,653.01x = 17,367.82 × 12,111.73
4. Step 4: Simplify right side
   12,653.01x = 210,354,272.83
5. Step 5: Solve for x
   x = 210,354,272.83/12,653.01
6. Step 6: Final answer
   x = 16,624.84