Finding the Fourth Proportional to 116,661.47, 160,995.89 and 65,676.07

Step by Step Solution

1. Step 1: Write the proportion equation
   116,661.47 : 160,995.89 = 65,676.07 : x
2. Step 2: Convert to fraction form
   116,661.47/160,995.89 = 65,676.07/x
3. Step 3: Cross multiply
   116,661.47x = 160,995.89 × 65,676.07
4. Step 4: Simplify right side
   116,661.47x = 10,573,576,431.76
5. Step 5: Solve for x
   x = 10,573,576,431.76/116,661.47
6. Step 6: Final answer
   x = 90,634.70