Finding the Fourth Proportional to 116,028.36, 160,113.72 and 65,727.72

Step by Step Solution

1. Step 1: Write the proportion equation
   116,028.36 : 160,113.72 = 65,727.72 : x
2. Step 2: Convert to fraction form
   116,028.36/160,113.72 = 65,727.72/x
3. Step 3: Cross multiply
   116,028.36x = 160,113.72 × 65,727.72
4. Step 4: Simplify right side
   116,028.36x = 10,523,909,756.32
5. Step 5: Solve for x
   x = 10,523,909,756.32/116,028.36
6. Step 6: Final answer
   x = 90,701.19