Finding the Fourth Proportional to 16,893.69, 23,311.98 and 9,820.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,893.69 : 23,311.98 = 9,820.50 : x
2. Step 2: Convert to fraction form
   16,893.69/23,311.98 = 9,820.50/x
3. Step 3: Cross multiply
   16,893.69x = 23,311.98 × 9,820.50
4. Step 4: Simplify right side
   16,893.69x = 228,935,299.59
5. Step 5: Solve for x
   x = 228,935,299.59/16,893.69
6. Step 6: Final answer
   x = 13,551.53