Finding the Fourth Proportional to 42,868.47, 59,161.61 and 25,876.85

Step by Step Solution

1. Step 1: Write the proportion equation
   42,868.47 : 59,161.61 = 25,876.85 : x
2. Step 2: Convert to fraction form
   42,868.47/59,161.61 = 25,876.85/x
3. Step 3: Cross multiply
   42,868.47x = 59,161.61 × 25,876.85
4. Step 4: Simplify right side
   42,868.47x = 1,530,916,001.43
5. Step 5: Solve for x
   x = 1,530,916,001.43/42,868.47
6. Step 6: Final answer
   x = 35,711.93