Finding the Fourth Proportional to 42,902.85, 59,170.84 and 30,198.09

Step by Step Solution

1. Step 1: Write the proportion equation
   42,902.85 : 59,170.84 = 30,198.09 : x
2. Step 2: Convert to fraction form
   42,902.85/59,170.84 = 30,198.09/x
3. Step 3: Cross multiply
   42,902.85x = 59,170.84 × 30,198.09
4. Step 4: Simplify right side
   42,902.85x = 1,786,846,498.09
5. Step 5: Solve for x
   x = 1,786,846,498.09/42,902.85
6. Step 6: Final answer
   x = 41,648.66