Finding the Fourth Proportional to 22,154.42, 30,574.92 and 12,597.31

Step by Step Solution

1. Step 1: Write the proportion equation
   22,154.42 : 30,574.92 = 12,597.31 : x
2. Step 2: Convert to fraction form
   22,154.42/30,574.92 = 12,597.31/x
3. Step 3: Cross multiply
   22,154.42x = 30,574.92 × 12,597.31
4. Step 4: Simplify right side
   22,154.42x = 385,161,745.47
5. Step 5: Solve for x
   x = 385,161,745.47/22,154.42
6. Step 6: Final answer
   x = 17,385.32