Finding the Fourth Proportional to 42,198.38, 58,231.40 and 23,074.35

Step by Step Solution

1. Step 1: Write the proportion equation
   42,198.38 : 58,231.40 = 23,074.35 : x
2. Step 2: Convert to fraction form
   42,198.38/58,231.40 = 23,074.35/x
3. Step 3: Cross multiply
   42,198.38x = 58,231.40 × 23,074.35
4. Step 4: Simplify right side
   42,198.38x = 1,343,651,704.59
5. Step 5: Solve for x
   x = 1,343,651,704.59/42,198.38
6. Step 6: Final answer
   x = 31,841.31