Finding the Fourth Proportional to 23,048.55, 31,804.98 and 12,838.83

Step by Step Solution

1. Step 1: Write the proportion equation
   23,048.55 : 31,804.98 = 12,838.83 : x
2. Step 2: Convert to fraction form
   23,048.55/31,804.98 = 12,838.83/x
3. Step 3: Cross multiply
   23,048.55x = 31,804.98 × 12,838.83
4. Step 4: Simplify right side
   23,048.55x = 408,338,731.37
5. Step 5: Solve for x
   x = 408,338,731.37/23,048.55
6. Step 6: Final answer
   x = 17,716.46