Finding the Fourth Proportional to 40,939.94, 56,494.05 and 23,031.48

Step by Step Solution

1. Step 1: Write the proportion equation
   40,939.94 : 56,494.05 = 23,031.48 : x
2. Step 2: Convert to fraction form
   40,939.94/56,494.05 = 23,031.48/x
3. Step 3: Cross multiply
   40,939.94x = 56,494.05 × 23,031.48
4. Step 4: Simplify right side
   40,939.94x = 1,301,141,582.69
5. Step 5: Solve for x
   x = 1,301,141,582.69/40,939.94
6. Step 6: Final answer
   x = 31,781.72