Finding the Fourth Proportional to 30,998, 42,889.84 and 27,027.38

Step by Step Solution

1. Step 1: Write the proportion equation
   30,998 : 42,889.84 = 27,027.38 : x
2. Step 2: Convert to fraction form
   30,998/42,889.84 = 27,027.38/x
3. Step 3: Cross multiply
   30,998x = 42,889.84 × 27,027.38
4. Step 4: Simplify right side
   30,998x = 1,159,200,003.82
5. Step 5: Solve for x
   x = 1,159,200,003.82/30,998
6. Step 6: Final answer
   x = 37,395.96