Finding the Fourth Proportional to 23,018.83, 31,766.31 and 13,587.39

Step by Step Solution

1. Step 1: Write the proportion equation
   23,018.83 : 31,766.31 = 13,587.39 : x
2. Step 2: Convert to fraction form
   23,018.83/31,766.31 = 13,587.39/x
3. Step 3: Cross multiply
   23,018.83x = 31,766.31 × 13,587.39
4. Step 4: Simplify right side
   23,018.83x = 431,621,242.83
5. Step 5: Solve for x
   x = 431,621,242.83/23,018.83
6. Step 6: Final answer
   x = 18,750.79