Finding the Fourth Proportional to 16,911.55, 23,338.16 and 10,540.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,911.55 : 23,338.16 = 10,540.72 : x
2. Step 2: Convert to fraction form
   16,911.55/23,338.16 = 10,540.72/x
3. Step 3: Cross multiply
   16,911.55x = 23,338.16 × 10,540.72
4. Step 4: Simplify right side
   16,911.55x = 246,001,009.88
5. Step 5: Solve for x
   x = 246,001,009.88/16,911.55
6. Step 6: Final answer
   x = 14,546.33