Finding the Fourth Proportional to 42,189.36, 58,215.60 and 35,841.60

Step by Step Solution

1. Step 1: Write the proportion equation
   42,189.36 : 58,215.60 = 35,841.60 : x
2. Step 2: Convert to fraction form
   42,189.36/58,215.60 = 35,841.60/x
3. Step 3: Cross multiply
   42,189.36x = 58,215.60 × 35,841.60
4. Step 4: Simplify right side
   42,189.36x = 2,086,540,248.96
5. Step 5: Solve for x
   x = 2,086,540,248.96/42,189.36
6. Step 6: Final answer
   x = 49,456.55