Finding the Fourth Proportional to 22,653.42, 31,261.55 and 12,444.59

Step by Step Solution

1. Step 1: Write the proportion equation
   22,653.42 : 31,261.55 = 12,444.59 : x
2. Step 2: Convert to fraction form
   22,653.42/31,261.55 = 12,444.59/x
3. Step 3: Cross multiply
   22,653.42x = 31,261.55 × 12,444.59
4. Step 4: Simplify right side
   22,653.42x = 389,036,953.98
5. Step 5: Solve for x
   x = 389,036,953.98/22,653.42
6. Step 6: Final answer
   x = 17,173.43