Finding the Fourth Proportional to 116,271.59, 160,344.56 and 76,019.85

Step by Step Solution

1. Step 1: Write the proportion equation
   116,271.59 : 160,344.56 = 76,019.85 : x
2. Step 2: Convert to fraction form
   116,271.59/160,344.56 = 76,019.85/x
3. Step 3: Cross multiply
   116,271.59x = 160,344.56 × 76,019.85
4. Step 4: Simplify right side
   116,271.59x = 12,189,369,589.57
5. Step 5: Solve for x
   x = 12,189,369,589.57/116,271.59
6. Step 6: Final answer
   x = 104,835.33