Finding the Fourth Proportional to 37,142.22, 55,648.44 and 30,942.12

Step by Step Solution

1. Step 1: Write the proportion equation
   37,142.22 : 55,648.44 = 30,942.12 : x
2. Step 2: Convert to fraction form
   37,142.22/55,648.44 = 30,942.12/x
3. Step 3: Cross multiply
   37,142.22x = 55,648.44 × 30,942.12
4. Step 4: Simplify right side
   37,142.22x = 1,721,880,708.29
5. Step 5: Solve for x
   x = 1,721,880,708.29/37,142.22
6. Step 6: Final answer
   x = 46,359.12