Finding the Fourth Proportional to 42,869.10, 59,162.47 and 25,877.47

Step by Step Solution

1. Step 1: Write the proportion equation
   42,869.10 : 59,162.47 = 25,877.47 : x
2. Step 2: Convert to fraction form
   42,869.10/59,162.47 = 25,877.47/x
3. Step 3: Cross multiply
   42,869.10x = 59,162.47 × 25,877.47
4. Step 4: Simplify right side
   42,869.10x = 1,530,975,042.55
5. Step 5: Solve for x
   x = 1,530,975,042.55/42,869.10
6. Step 6: Final answer
   x = 35,712.79