Finding the Fourth Proportional to 23,019.84, 31,766.22 and 13,586.58

Step by Step Solution

1. Step 1: Write the proportion equation
   23,019.84 : 31,766.22 = 13,586.58 : x
2. Step 2: Convert to fraction form
   23,019.84/31,766.22 = 13,586.58/x
3. Step 3: Cross multiply
   23,019.84x = 31,766.22 × 13,586.58
4. Step 4: Simplify right side
   23,019.84x = 431,594,289.33
5. Step 5: Solve for x
   x = 431,594,289.33/23,019.84
6. Step 6: Final answer
   x = 18,748.80