Finding the Fourth Proportional to 22,777.61, 31,432.88 and 12,568.73

Step by Step Solution

1. Step 1: Write the proportion equation
   22,777.61 : 31,432.88 = 12,568.73 : x
2. Step 2: Convert to fraction form
   22,777.61/31,432.88 = 12,568.73/x
3. Step 3: Cross multiply
   22,777.61x = 31,432.88 × 12,568.73
4. Step 4: Simplify right side
   22,777.61x = 395,071,161.83
5. Step 5: Solve for x
   x = 395,071,161.83/22,777.61
6. Step 6: Final answer
   x = 17,344.72