Finding the Fourth Proportional to 16,751.42, 23,109.54 and 10,780.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,751.42 : 23,109.54 = 10,780.82 : x
2. Step 2: Convert to fraction form
   16,751.42/23,109.54 = 10,780.82/x
3. Step 3: Cross multiply
   16,751.42x = 23,109.54 × 10,780.82
4. Step 4: Simplify right side
   16,751.42x = 249,139,791.02
5. Step 5: Solve for x
   x = 249,139,791.02/16,751.42
6. Step 6: Final answer
   x = 14,872.76