Finding the Fourth Proportional to 116,279.87, 160,467.32 and 65,974.91

Step by Step Solution

1. Step 1: Write the proportion equation
   116,279.87 : 160,467.32 = 65,974.91 : x
2. Step 2: Convert to fraction form
   116,279.87/160,467.32 = 65,974.91/x
3. Step 3: Cross multiply
   116,279.87x = 160,467.32 × 65,974.91
4. Step 4: Simplify right side
   116,279.87x = 10,586,816,665.07
5. Step 5: Solve for x
   x = 10,586,816,665.07/116,279.87
6. Step 6: Final answer
   x = 91,046.00