Finding the Fourth Proportional to 31,464.89, 43,420.23 and 18,026.81

Step by Step Solution

1. Step 1: Write the proportion equation
   31,464.89 : 43,420.23 = 18,026.81 : x
2. Step 2: Convert to fraction form
   31,464.89/43,420.23 = 18,026.81/x
3. Step 3: Cross multiply
   31,464.89x = 43,420.23 × 18,026.81
4. Step 4: Simplify right side
   31,464.89x = 782,728,019.27
5. Step 5: Solve for x
   x = 782,728,019.27/31,464.89
6. Step 6: Final answer
   x = 24,876.24