Finding the Fourth Proportional to 40,574.72, 56,238.53 and 38,238.71

Step by Step Solution

1. Step 1: Write the proportion equation
   40,574.72 : 56,238.53 = 38,238.71 : x
2. Step 2: Convert to fraction form
   40,574.72/56,238.53 = 38,238.71/x
3. Step 3: Cross multiply
   40,574.72x = 56,238.53 × 38,238.71
4. Step 4: Simplify right side
   40,574.72x = 2,150,488,367.11
5. Step 5: Solve for x
   x = 2,150,488,367.11/40,574.72
6. Step 6: Final answer
   x = 53,000.69