Finding the Fourth Proportional to 40,354.67, 55,688.61 and 22,449.29

Step by Step Solution

1. Step 1: Write the proportion equation
   40,354.67 : 55,688.61 = 22,449.29 : x
2. Step 2: Convert to fraction form
   40,354.67/55,688.61 = 22,449.29/x
3. Step 3: Cross multiply
   40,354.67x = 55,688.61 × 22,449.29
4. Step 4: Simplify right side
   40,354.67x = 1,250,169,755.59
5. Step 5: Solve for x
   x = 1,250,169,755.59/40,354.67
6. Step 6: Final answer
   x = 30,979.56