Finding the Fourth Proportional to 40,485.82, 55,870.53 and 22,581.99

Step by Step Solution

1. Step 1: Write the proportion equation
   40,485.82 : 55,870.53 = 22,581.99 : x
2. Step 2: Convert to fraction form
   40,485.82/55,870.53 = 22,581.99/x
3. Step 3: Cross multiply
   40,485.82x = 55,870.53 × 22,581.99
4. Step 4: Simplify right side
   40,485.82x = 1,261,667,749.75
5. Step 5: Solve for x
   x = 1,261,667,749.75/40,485.82
6. Step 6: Final answer
   x = 31,163.20