Finding the Fourth Proportional to 31,504.68, 43,488.90 and 18,927

Step by Step Solution

1. Step 1: Write the proportion equation
   31,504.68 : 43,488.90 = 18,927 : x
2. Step 2: Convert to fraction form
   31,504.68/43,488.90 = 18,927/x
3. Step 3: Cross multiply
   31,504.68x = 43,488.90 × 18,927
4. Step 4: Simplify right side
   31,504.68x = 823,114,410.30
5. Step 5: Solve for x
   x = 823,114,410.30/31,504.68
6. Step 6: Final answer
   x = 26,126.73