Finding the Fourth Proportional to 42,194.10, 58,231.86 and 25,198.20

Step by Step Solution

1. Step 1: Write the proportion equation
   42,194.10 : 58,231.86 = 25,198.20 : x
2. Step 2: Convert to fraction form
   42,194.10/58,231.86 = 25,198.20/x
3. Step 3: Cross multiply
   42,194.10x = 58,231.86 × 25,198.20
4. Step 4: Simplify right side
   42,194.10x = 1,467,338,054.65
5. Step 5: Solve for x
   x = 1,467,338,054.65/42,194.10
6. Step 6: Final answer
   x = 34,775.91