Finding the Fourth Proportional to 22,452.46, 30,985.81 and 12,895.34

Step by Step Solution

1. Step 1: Write the proportion equation
   22,452.46 : 30,985.81 = 12,895.34 : x
2. Step 2: Convert to fraction form
   22,452.46/30,985.81 = 12,895.34/x
3. Step 3: Cross multiply
   22,452.46x = 30,985.81 × 12,895.34
4. Step 4: Simplify right side
   22,452.46x = 399,572,367.96
5. Step 5: Solve for x
   x = 399,572,367.96/22,452.46
6. Step 6: Final answer
   x = 17,796.38