Finding the Fourth Proportional to 116,410.60, 160,659.94 and 64,732.85

Step by Step Solution

1. Step 1: Write the proportion equation
   116,410.60 : 160,659.94 = 64,732.85 : x
2. Step 2: Convert to fraction form
   116,410.60/160,659.94 = 64,732.85/x
3. Step 3: Cross multiply
   116,410.60x = 160,659.94 × 64,732.85
4. Step 4: Simplify right side
   116,410.60x = 10,399,975,797.03
5. Step 5: Solve for x
   x = 10,399,975,797.03/116,410.60
6. Step 6: Final answer
   x = 89,338.74