Finding the Fourth Proportional to 116,901.36, 161,315.35 and 65,911.46

Step by Step Solution

1. Step 1: Write the proportion equation
   116,901.36 : 161,315.35 = 65,911.46 : x
2. Step 2: Convert to fraction form
   116,901.36/161,315.35 = 65,911.46/x
3. Step 3: Cross multiply
   116,901.36x = 161,315.35 × 65,911.46
4. Step 4: Simplify right side
   116,901.36x = 10,632,529,267.56
5. Step 5: Solve for x
   x = 10,632,529,267.56/116,901.36
6. Step 6: Final answer
   x = 90,953.00