Finding the Fourth Proportional to 115,994.88, 160,084.17 and 65,016.27

Step by Step Solution

1. Step 1: Write the proportion equation
   115,994.88 : 160,084.17 = 65,016.27 : x
2. Step 2: Convert to fraction form
   115,994.88/160,084.17 = 65,016.27/x
3. Step 3: Cross multiply
   115,994.88x = 160,084.17 × 65,016.27
4. Step 4: Simplify right side
   115,994.88x = 10,408,075,619.45
5. Step 5: Solve for x
   x = 10,408,075,619.45/115,994.88
6. Step 6: Final answer
   x = 89,728.75