Finding the Fourth Proportional to 16,905.03, 23,328.72 and 9,350.76

Step by Step Solution

1. Step 1: Write the proportion equation
   16,905.03 : 23,328.72 = 9,350.76 : x
2. Step 2: Convert to fraction form
   16,905.03/23,328.72 = 9,350.76/x
3. Step 3: Cross multiply
   16,905.03x = 23,328.72 × 9,350.76
4. Step 4: Simplify right side
   16,905.03x = 218,141,261.83
5. Step 5: Solve for x
   x = 218,141,261.83/16,905.03
6. Step 6: Final answer
   x = 12,903.93