Finding the Fourth Proportional to 31,898.89, 44,017.60 and 18,471.05

Step by Step Solution

1. Step 1: Write the proportion equation
   31,898.89 : 44,017.60 = 18,471.05 : x
2. Step 2: Convert to fraction form
   31,898.89/44,017.60 = 18,471.05/x
3. Step 3: Cross multiply
   31,898.89x = 44,017.60 × 18,471.05
4. Step 4: Simplify right side
   31,898.89x = 813,051,290.48
5. Step 5: Solve for x
   x = 813,051,290.48/31,898.89
6. Step 6: Final answer
   x = 25,488.39