Finding the Fourth Proportional to 42,865.31, 59,160.86 and 25,871.97

Step by Step Solution

1. Step 1: Write the proportion equation
   42,865.31 : 59,160.86 = 25,871.97 : x
2. Step 2: Convert to fraction form
   42,865.31/59,160.86 = 25,871.97/x
3. Step 3: Cross multiply
   42,865.31x = 59,160.86 × 25,871.97
4. Step 4: Simplify right side
   42,865.31x = 1,530,608,059.77
5. Step 5: Solve for x
   x = 1,530,608,059.77/42,865.31
6. Step 6: Final answer
   x = 35,707.39