Finding the Fourth Proportional to 40,644.21, 56,086.72 and 22,493.94

Step by Step Solution

1. Step 1: Write the proportion equation
   40,644.21 : 56,086.72 = 22,493.94 : x
2. Step 2: Convert to fraction form
   40,644.21/56,086.72 = 22,493.94/x
3. Step 3: Cross multiply
   40,644.21x = 56,086.72 × 22,493.94
4. Step 4: Simplify right side
   40,644.21x = 1,261,611,314.48
5. Step 5: Solve for x
   x = 1,261,611,314.48/40,644.21
6. Step 6: Final answer
   x = 31,040.37