Finding the Fourth Proportional to 16,861.52, 23,269.68 and 9,308.93

Step by Step Solution

1. Step 1: Write the proportion equation
   16,861.52 : 23,269.68 = 9,308.93 : x
2. Step 2: Convert to fraction form
   16,861.52/23,269.68 = 9,308.93/x
3. Step 3: Cross multiply
   16,861.52x = 23,269.68 × 9,308.93
4. Step 4: Simplify right side
   16,861.52x = 216,615,705.89
5. Step 5: Solve for x
   x = 216,615,705.89/16,861.52
6. Step 6: Final answer
   x = 12,846.75