Finding the Fourth Proportional to 40,688.49, 56,151.72 and 22,783.34

Step by Step Solution

1. Step 1: Write the proportion equation
   40,688.49 : 56,151.72 = 22,783.34 : x
2. Step 2: Convert to fraction form
   40,688.49/56,151.72 = 22,783.34/x
3. Step 3: Cross multiply
   40,688.49x = 56,151.72 × 22,783.34
4. Step 4: Simplify right side
   40,688.49x = 1,279,323,728.34
5. Step 5: Solve for x
   x = 1,279,323,728.34/40,688.49
6. Step 6: Final answer
   x = 31,441.91