Finding the Fourth Proportional to 23,043.57, 34,554.49 and 13,684.83

Step by Step Solution

1. Step 1: Write the proportion equation
   23,043.57 : 34,554.49 = 13,684.83 : x
2. Step 2: Convert to fraction form
   23,043.57/34,554.49 = 13,684.83/x
3. Step 3: Cross multiply
   23,043.57x = 34,554.49 × 13,684.83
4. Step 4: Simplify right side
   23,043.57x = 472,872,321.39
5. Step 5: Solve for x
   x = 472,872,321.39/23,043.57
6. Step 6: Final answer
   x = 20,520.79