Finding the Fourth Proportional to 31,931.82, 44,065.89 and 18,510.86

Step by Step Solution

1. Step 1: Write the proportion equation
   31,931.82 : 44,065.89 = 18,510.86 : x
2. Step 2: Convert to fraction form
   31,931.82/44,065.89 = 18,510.86/x
3. Step 3: Cross multiply
   31,931.82x = 44,065.89 × 18,510.86
4. Step 4: Simplify right side
   31,931.82x = 815,697,630.73
5. Step 5: Solve for x
   x = 815,697,630.73/31,931.82
6. Step 6: Final answer
   x = 25,544.98