Finding the Fourth Proportional to 116,479.96, 160,696.74 and 65,481

Step by Step Solution

1. Step 1: Write the proportion equation
   116,479.96 : 160,696.74 = 65,481 : x
2. Step 2: Convert to fraction form
   116,479.96/160,696.74 = 65,481/x
3. Step 3: Cross multiply
   116,479.96x = 160,696.74 × 65,481
4. Step 4: Simplify right side
   116,479.96x = 10,522,583,231.94
5. Step 5: Solve for x
   x = 10,522,583,231.94/116,479.96
6. Step 6: Final answer
   x = 90,338.14