Finding the Fourth Proportional to 116,739.16, 161,107.88 and 65,064.29

Step by Step Solution

1. Step 1: Write the proportion equation
   116,739.16 : 161,107.88 = 65,064.29 : x
2. Step 2: Convert to fraction form
   116,739.16/161,107.88 = 65,064.29/x
3. Step 3: Cross multiply
   116,739.16x = 161,107.88 × 65,064.29
4. Step 4: Simplify right side
   116,739.16x = 10,482,370,391.04
5. Step 5: Solve for x
   x = 10,482,370,391.04/116,739.16
6. Step 6: Final answer
   x = 89,793.10