Finding the Fourth Proportional to 7,067.31, 10,597.61 and 2,905.71

Step by Step Solution

1. Step 1: Write the proportion equation
   7,067.31 : 10,597.61 = 2,905.71 : x
2. Step 2: Convert to fraction form
   7,067.31/10,597.61 = 2,905.71/x
3. Step 3: Cross multiply
   7,067.31x = 10,597.61 × 2,905.71
4. Step 4: Simplify right side
   7,067.31x = 30,793,566.82
5. Step 5: Solve for x
   x = 30,793,566.82/7,067.31
6. Step 6: Final answer
   x = 4,357.18