Finding the Fourth Proportional to 116,461.64, 160,716.09 and 65,474.59

Step by Step Solution

1. Step 1: Write the proportion equation
   116,461.64 : 160,716.09 = 65,474.59 : x
2. Step 2: Convert to fraction form
   116,461.64/160,716.09 = 65,474.59/x
3. Step 3: Cross multiply
   116,461.64x = 160,716.09 × 65,474.59
4. Step 4: Simplify right side
   116,461.64x = 10,522,820,099.15
5. Step 5: Solve for x
   x = 10,522,820,099.15/116,461.64
6. Step 6: Final answer
   x = 90,354.39