Finding the Fourth Proportional to 16,498.42, 22,778.20 and 11,461.02

Step by Step Solution

1. Step 1: Write the proportion equation
   16,498.42 : 22,778.20 = 11,461.02 : x
2. Step 2: Convert to fraction form
   16,498.42/22,778.20 = 11,461.02/x
3. Step 3: Cross multiply
   16,498.42x = 22,778.20 × 11,461.02
4. Step 4: Simplify right side
   16,498.42x = 261,061,405.76
5. Step 5: Solve for x
   x = 261,061,405.76/16,498.42
6. Step 6: Final answer
   x = 15,823.42