Finding the Fourth Proportional to 116,296.58, 160,447.29 and 65,966.42

Step by Step Solution

1. Step 1: Write the proportion equation
   116,296.58 : 160,447.29 = 65,966.42 : x
2. Step 2: Convert to fraction form
   116,296.58/160,447.29 = 65,966.42/x
3. Step 3: Cross multiply
   116,296.58x = 160,447.29 × 65,966.42
4. Step 4: Simplify right side
   116,296.58x = 10,584,133,320.00
5. Step 5: Solve for x
   x = 10,584,133,320.00/116,296.58
6. Step 6: Final answer
   x = 91,009.84