Finding the Fourth Proportional to 31,897.50, 44,018.55 and 18,649.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,897.50 : 44,018.55 = 18,649.50 : x
2. Step 2: Convert to fraction form
   31,897.50/44,018.55 = 18,649.50/x
3. Step 3: Cross multiply
   31,897.50x = 44,018.55 × 18,649.50
4. Step 4: Simplify right side
   31,897.50x = 820,923,948.23
5. Step 5: Solve for x
   x = 820,923,948.23/31,897.50
6. Step 6: Final answer
   x = 25,736.31