Finding the Fourth Proportional to 116,662.68, 160,993.02 and 65,675.16

Step by Step Solution

1. Step 1: Write the proportion equation
   116,662.68 : 160,993.02 = 65,675.16 : x
2. Step 2: Convert to fraction form
   116,662.68/160,993.02 = 65,675.16/x
3. Step 3: Cross multiply
   116,662.68x = 160,993.02 × 65,675.16
4. Step 4: Simplify right side
   116,662.68x = 10,573,242,347.38
5. Step 5: Solve for x
   x = 10,573,242,347.38/116,662.68
6. Step 6: Final answer
   x = 90,630.89