Finding the Fourth Proportional to 116,051.94, 160,151.58 and 65,065.07

Step by Step Solution

1. Step 1: Write the proportion equation
   116,051.94 : 160,151.58 = 65,065.07 : x
2. Step 2: Convert to fraction form
   116,051.94/160,151.58 = 65,065.07/x
3. Step 3: Cross multiply
   116,051.94x = 160,151.58 × 65,065.07
4. Step 4: Simplify right side
   116,051.94x = 10,420,274,163.69
5. Step 5: Solve for x
   x = 10,420,274,163.69/116,051.94
6. Step 6: Final answer
   x = 89,789.75