Finding the Fourth Proportional to 31,067.75, 42,898.77 and 25,326.10

Step by Step Solution

1. Step 1: Write the proportion equation
   31,067.75 : 42,898.77 = 25,326.10 : x
2. Step 2: Convert to fraction form
   31,067.75/42,898.77 = 25,326.10/x
3. Step 3: Cross multiply
   31,067.75x = 42,898.77 × 25,326.10
4. Step 4: Simplify right side
   31,067.75x = 1,086,458,538.90
5. Step 5: Solve for x
   x = 1,086,458,538.90/31,067.75
6. Step 6: Final answer
   x = 34,970.62