Finding the Fourth Proportional to 31,887.02, 44,003.30 and 18,456.42

Step by Step Solution

1. Step 1: Write the proportion equation
   31,887.02 : 44,003.30 = 18,456.42 : x
2. Step 2: Convert to fraction form
   31,887.02/44,003.30 = 18,456.42/x
3. Step 3: Cross multiply
   31,887.02x = 44,003.30 × 18,456.42
4. Step 4: Simplify right side
   31,887.02x = 812,143,386.19
5. Step 5: Solve for x
   x = 812,143,386.19/31,887.02
6. Step 6: Final answer
   x = 25,469.40