Finding the Fourth Proportional to 16,903.89, 23,327.17 and 9,350.78

Step by Step Solution

1. Step 1: Write the proportion equation
   16,903.89 : 23,327.17 = 9,350.78 : x
2. Step 2: Convert to fraction form
   16,903.89/23,327.17 = 9,350.78/x
3. Step 3: Cross multiply
   16,903.89x = 23,327.17 × 9,350.78
4. Step 4: Simplify right side
   16,903.89x = 218,127,094.68
5. Step 5: Solve for x
   x = 218,127,094.68/16,903.89
6. Step 6: Final answer
   x = 12,903.96