Finding the Fourth Proportional to 40,856.94, 56,388.25 and 22,953.31

Step by Step Solution

1. Step 1: Write the proportion equation
   40,856.94 : 56,388.25 = 22,953.31 : x
2. Step 2: Convert to fraction form
   40,856.94/56,388.25 = 22,953.31/x
3. Step 3: Cross multiply
   40,856.94x = 56,388.25 × 22,953.31
4. Step 4: Simplify right side
   40,856.94x = 1,294,296,870.33
5. Step 5: Solve for x
   x = 1,294,296,870.33/40,856.94
6. Step 6: Final answer
   x = 31,678.75