Finding the Fourth Proportional to 12,016.28, 17,999.94 and 9,803

Step by Step Solution

1. Step 1: Write the proportion equation
   12,016.28 : 17,999.94 = 9,803 : x
2. Step 2: Convert to fraction form
   12,016.28/17,999.94 = 9,803/x
3. Step 3: Cross multiply
   12,016.28x = 17,999.94 × 9,803
4. Step 4: Simplify right side
   12,016.28x = 176,453,411.82
5. Step 5: Solve for x
   x = 176,453,411.82/12,016.28
6. Step 6: Final answer
   x = 14,684.53