Finding the Fourth Proportional to 21,754.76, 30,025.62 and 12,801.83

Step by Step Solution

1. Step 1: Write the proportion equation
   21,754.76 : 30,025.62 = 12,801.83 : x
2. Step 2: Convert to fraction form
   21,754.76/30,025.62 = 12,801.83/x
3. Step 3: Cross multiply
   21,754.76x = 30,025.62 × 12,801.83
4. Step 4: Simplify right side
   21,754.76x = 384,382,732.76
5. Step 5: Solve for x
   x = 384,382,732.76/21,754.76
6. Step 6: Final answer
   x = 17,668.91