Finding the Fourth Proportional to 101,015.82, 139,418.25 and 60,770.25

Step by Step Solution

1. Step 1: Write the proportion equation
   101,015.82 : 139,418.25 = 60,770.25 : x
2. Step 2: Convert to fraction form
   101,015.82/139,418.25 = 60,770.25/x
3. Step 3: Cross multiply
   101,015.82x = 139,418.25 × 60,770.25
4. Step 4: Simplify right side
   101,015.82x = 8,472,481,907.06
5. Step 5: Solve for x
   x = 8,472,481,907.06/101,015.82
6. Step 6: Final answer
   x = 83,872.82