Finding the Fourth Proportional to 16,877.10, 23,286.72 and 9,799.74

Step by Step Solution

1. Step 1: Write the proportion equation
   16,877.10 : 23,286.72 = 9,799.74 : x
2. Step 2: Convert to fraction form
   16,877.10/23,286.72 = 9,799.74/x
3. Step 3: Cross multiply
   16,877.10x = 23,286.72 × 9,799.74
4. Step 4: Simplify right side
   16,877.10x = 228,203,801.45
5. Step 5: Solve for x
   x = 228,203,801.45/16,877.10
6. Step 6: Final answer
   x = 13,521.51