Finding the Fourth Proportional to 40,271.48, 55,581.76 and 30,113.48

Step by Step Solution

1. Step 1: Write the proportion equation
   40,271.48 : 55,581.76 = 30,113.48 : x
2. Step 2: Convert to fraction form
   40,271.48/55,581.76 = 30,113.48/x
3. Step 3: Cross multiply
   40,271.48x = 55,581.76 × 30,113.48
4. Step 4: Simplify right side
   40,271.48x = 1,673,760,218.12
5. Step 5: Solve for x
   x = 1,673,760,218.12/40,271.48
6. Step 6: Final answer
   x = 41,561.92