Finding the Fourth Proportional to 116,216.76, 160,371.18 and 65,223.48

Step by Step Solution

1. Step 1: Write the proportion equation
   116,216.76 : 160,371.18 = 65,223.48 : x
2. Step 2: Convert to fraction form
   116,216.76/160,371.18 = 65,223.48/x
3. Step 3: Cross multiply
   116,216.76x = 160,371.18 × 65,223.48
4. Step 4: Simplify right side
   116,216.76x = 10,459,966,451.31
5. Step 5: Solve for x
   x = 10,459,966,451.31/116,216.76
6. Step 6: Final answer
   x = 90,003.94