Finding the Fourth Proportional to 22,870.98, 31,568.04 and 13,445.82

Step by Step Solution

1. Step 1: Write the proportion equation
   22,870.98 : 31,568.04 = 13,445.82 : x
2. Step 2: Convert to fraction form
   22,870.98/31,568.04 = 13,445.82/x
3. Step 3: Cross multiply
   22,870.98x = 31,568.04 × 13,445.82
4. Step 4: Simplify right side
   22,870.98x = 424,458,183.59
5. Step 5: Solve for x
   x = 424,458,183.59/22,870.98
6. Step 6: Final answer
   x = 18,558.81