Finding the Fourth Proportional to 16,109.01, 22,231.17 and 9,393.57

Step by Step Solution

1. Step 1: Write the proportion equation
   16,109.01 : 22,231.17 = 9,393.57 : x
2. Step 2: Convert to fraction form
   16,109.01/22,231.17 = 9,393.57/x
3. Step 3: Cross multiply
   16,109.01x = 22,231.17 × 9,393.57
4. Step 4: Simplify right side
   16,109.01x = 208,830,051.58
5. Step 5: Solve for x
   x = 208,830,051.58/16,109.01
6. Step 6: Final answer
   x = 12,963.56