Finding the Fourth Proportional to 40,485.81, 55,867.89 and 22,581.98

Step by Step Solution

1. Step 1: Write the proportion equation
   40,485.81 : 55,867.89 = 22,581.98 : x
2. Step 2: Convert to fraction form
   40,485.81/55,867.89 = 22,581.98/x
3. Step 3: Cross multiply
   40,485.81x = 55,867.89 × 22,581.98
4. Step 4: Simplify right side
   40,485.81x = 1,261,607,574.62
5. Step 5: Solve for x
   x = 1,261,607,574.62/40,485.81
6. Step 6: Final answer
   x = 31,161.72