Finding the Fourth Proportional to 116,453.16, 160,722.34 and 65,470.08

Step by Step Solution

1. Step 1: Write the proportion equation
   116,453.16 : 160,722.34 = 65,470.08 : x
2. Step 2: Convert to fraction form
   116,453.16/160,722.34 = 65,470.08/x
3. Step 3: Cross multiply
   116,453.16x = 160,722.34 × 65,470.08
4. Step 4: Simplify right side
   116,453.16x = 10,522,504,457.59
5. Step 5: Solve for x
   x = 10,522,504,457.59/116,453.16
6. Step 6: Final answer
   x = 90,358.26