Finding the Fourth Proportional to 16,336.98, 22,541.54 and 9,620.15

Step by Step Solution

1. Step 1: Write the proportion equation
   16,336.98 : 22,541.54 = 9,620.15 : x
2. Step 2: Convert to fraction form
   16,336.98/22,541.54 = 9,620.15/x
3. Step 3: Cross multiply
   16,336.98x = 22,541.54 × 9,620.15
4. Step 4: Simplify right side
   16,336.98x = 216,852,835.22
5. Step 5: Solve for x
   x = 216,852,835.22/16,336.98
6. Step 6: Final answer
   x = 13,273.74