Finding the Fourth Proportional to 16,888.47, 23,308.98 and 9,819

Step by Step Solution

1. Step 1: Write the proportion equation
   16,888.47 : 23,308.98 = 9,819 : x
2. Step 2: Convert to fraction form
   16,888.47/23,308.98 = 9,819/x
3. Step 3: Cross multiply
   16,888.47x = 23,308.98 × 9,819
4. Step 4: Simplify right side
   16,888.47x = 228,870,874.62
5. Step 5: Solve for x
   x = 228,870,874.62/16,888.47
6. Step 6: Final answer
   x = 13,551.90