Finding the Fourth Proportional to 40,936.72, 56,488.68 and 23,031.34

Step by Step Solution

1. Step 1: Write the proportion equation
   40,936.72 : 56,488.68 = 23,031.34 : x
2. Step 2: Convert to fraction form
   40,936.72/56,488.68 = 23,031.34/x
3. Step 3: Cross multiply
   40,936.72x = 56,488.68 × 23,031.34
4. Step 4: Simplify right side
   40,936.72x = 1,301,009,995.23
5. Step 5: Solve for x
   x = 1,301,009,995.23/40,936.72
6. Step 6: Final answer
   x = 31,781.00