Finding the Fourth Proportional to 40,072.43, 55,552.84 and 37,939.42

Step by Step Solution

1. Step 1: Write the proportion equation
   40,072.43 : 55,552.84 = 37,939.42 : x
2. Step 2: Convert to fraction form
   40,072.43/55,552.84 = 37,939.42/x
3. Step 3: Cross multiply
   40,072.43x = 55,552.84 × 37,939.42
4. Step 4: Simplify right side
   40,072.43x = 2,107,642,503.55
5. Step 5: Solve for x
   x = 2,107,642,503.55/40,072.43
6. Step 6: Final answer
   x = 52,595.82