Finding the Fourth Proportional to 40,445.49, 55,814.82 and 22,540.09

Step by Step Solution

1. Step 1: Write the proportion equation
   40,445.49 : 55,814.82 = 22,540.09 : x
2. Step 2: Convert to fraction form
   40,445.49/55,814.82 = 22,540.09/x
3. Step 3: Cross multiply
   40,445.49x = 55,814.82 × 22,540.09
4. Step 4: Simplify right side
   40,445.49x = 1,258,071,066.13
5. Step 5: Solve for x
   x = 1,258,071,066.13/40,445.49
6. Step 6: Final answer
   x = 31,105.35