Finding the Fourth Proportional to 22,153.42, 30,573.54 and 12,596.31

Step by Step Solution

1. Step 1: Write the proportion equation
   22,153.42 : 30,573.54 = 12,596.31 : x
2. Step 2: Convert to fraction form
   22,153.42/30,573.54 = 12,596.31/x
3. Step 3: Cross multiply
   22,153.42x = 30,573.54 × 12,596.31
4. Step 4: Simplify right side
   22,153.42x = 385,113,632.51
5. Step 5: Solve for x
   x = 385,113,632.51/22,153.42
6. Step 6: Final answer
   x = 17,383.94