Finding the Fourth Proportional to 16,862.17, 23,269.79 and 9,308.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,862.17 : 23,269.79 = 9,308.50 : x
2. Step 2: Convert to fraction form
   16,862.17/23,269.79 = 9,308.50/x
3. Step 3: Cross multiply
   16,862.17x = 23,269.79 × 9,308.50
4. Step 4: Simplify right side
   16,862.17x = 216,606,840.22
5. Step 5: Solve for x
   x = 216,606,840.22/16,862.17
6. Step 6: Final answer
   x = 12,845.73