Finding the Fourth Proportional to 116,671.37, 161,004.65 and 65,683.98

Step by Step Solution

1. Step 1: Write the proportion equation
   116,671.37 : 161,004.65 = 65,683.98 : x
2. Step 2: Convert to fraction form
   116,671.37/161,004.65 = 65,683.98/x
3. Step 3: Cross multiply
   116,671.37x = 161,004.65 × 65,683.98
4. Step 4: Simplify right side
   116,671.37x = 10,575,425,882.09
5. Step 5: Solve for x
   x = 10,575,425,882.09/116,671.37
6. Step 6: Final answer
   x = 90,642.86