Finding the Fourth Proportional to 116,449.02, 160,680.03 and 65,455.01

Step by Step Solution

1. Step 1: Write the proportion equation
   116,449.02 : 160,680.03 = 65,455.01 : x
2. Step 2: Convert to fraction form
   116,449.02/160,680.03 = 65,455.01/x
3. Step 3: Cross multiply
   116,449.02x = 160,680.03 × 65,455.01
4. Step 4: Simplify right side
   116,449.02x = 10,517,313,160.15
5. Step 5: Solve for x
   x = 10,517,313,160.15/116,449.02
6. Step 6: Final answer
   x = 90,316.89