Finding the Fourth Proportional to 16,793.40, 23,191.78 and 13,838.52

Step by Step Solution

1. Step 1: Write the proportion equation
   16,793.40 : 23,191.78 = 13,838.52 : x
2. Step 2: Convert to fraction form
   16,793.40/23,191.78 = 13,838.52/x
3. Step 3: Cross multiply
   16,793.40x = 23,191.78 × 13,838.52
4. Step 4: Simplify right side
   16,793.40x = 320,939,911.37
5. Step 5: Solve for x
   x = 320,939,911.37/16,793.40
6. Step 6: Final answer
   x = 19,111.07