Finding the Fourth Proportional to 42,879.36, 59,175.72 and 25,883.39

Step by Step Solution

1. Step 1: Write the proportion equation
   42,879.36 : 59,175.72 = 25,883.39 : x
2. Step 2: Convert to fraction form
   42,879.36/59,175.72 = 25,883.39/x
3. Step 3: Cross multiply
   42,879.36x = 59,175.72 × 25,883.39
4. Step 4: Simplify right side
   42,879.36x = 1,531,668,054.37
5. Step 5: Solve for x
   x = 1,531,668,054.37/42,879.36
6. Step 6: Final answer
   x = 35,720.40