Finding the Fourth Proportional to 16,116.06, 22,238.73 and 9,402.27

Step by Step Solution

1. Step 1: Write the proportion equation
   16,116.06 : 22,238.73 = 9,402.27 : x
2. Step 2: Convert to fraction form
   16,116.06/22,238.73 = 9,402.27/x
3. Step 3: Cross multiply
   16,116.06x = 22,238.73 × 9,402.27
4. Step 4: Simplify right side
   16,116.06x = 209,094,543.92
5. Step 5: Solve for x
   x = 209,094,543.92/16,116.06
6. Step 6: Final answer
   x = 12,974.30