Finding the Fourth Proportional to 40,773.22, 56,238.60 and 39,401.59

Step by Step Solution

1. Step 1: Write the proportion equation
   40,773.22 : 56,238.60 = 39,401.59 : x
2. Step 2: Convert to fraction form
   40,773.22/56,238.60 = 39,401.59/x
3. Step 3: Cross multiply
   40,773.22x = 56,238.60 × 39,401.59
4. Step 4: Simplify right side
   40,773.22x = 2,215,890,371.98
5. Step 5: Solve for x
   x = 2,215,890,371.98/40,773.22
6. Step 6: Final answer
   x = 54,346.71