Finding the Fourth Proportional to 40,874.41, 56,399.25 and 30,799.63

Step by Step Solution

1. Step 1: Write the proportion equation
   40,874.41 : 56,399.25 = 30,799.63 : x
2. Step 2: Convert to fraction form
   40,874.41/56,399.25 = 30,799.63/x
3. Step 3: Cross multiply
   40,874.41x = 56,399.25 × 30,799.63
4. Step 4: Simplify right side
   40,874.41x = 1,737,076,032.28
5. Step 5: Solve for x
   x = 1,737,076,032.28/40,874.41
6. Step 6: Final answer
   x = 42,497.89