Finding the Fourth Proportional to 115,871, 159,901.98 and 62,879

Step by Step Solution

1. Step 1: Write the proportion equation
   115,871 : 159,901.98 = 62,879 : x
2. Step 2: Convert to fraction form
   115,871/159,901.98 = 62,879/x
3. Step 3: Cross multiply
   115,871x = 159,901.98 × 62,879
4. Step 4: Simplify right side
   115,871x = 10,054,476,600.42
5. Step 5: Solve for x
   x = 10,054,476,600.42/115,871
6. Step 6: Final answer
   x = 86,773.02