Finding the Fourth Proportional to 40,742.37, 56,221.56 and 22,591.74

Step by Step Solution

1. Step 1: Write the proportion equation
   40,742.37 : 56,221.56 = 22,591.74 : x
2. Step 2: Convert to fraction form
   40,742.37/56,221.56 = 22,591.74/x
3. Step 3: Cross multiply
   40,742.37x = 56,221.56 × 22,591.74
4. Step 4: Simplify right side
   40,742.37x = 1,270,142,865.91
5. Step 5: Solve for x
   x = 1,270,142,865.91/40,742.37
6. Step 6: Final answer
   x = 31,174.99