Finding the Fourth Proportional to 31,911.56, 44,034.78 and 18,487.14

Step by Step Solution

1. Step 1: Write the proportion equation
   31,911.56 : 44,034.78 = 18,487.14 : x
2. Step 2: Convert to fraction form
   31,911.56/44,034.78 = 18,487.14/x
3. Step 3: Cross multiply
   31,911.56x = 44,034.78 × 18,487.14
4. Step 4: Simplify right side
   31,911.56x = 814,077,142.73
5. Step 5: Solve for x
   x = 814,077,142.73/31,911.56
6. Step 6: Final answer
   x = 25,510.42