Finding the Fourth Proportional to 116,969.08, 161,415.33 and 65,981.92

Step by Step Solution

1. Step 1: Write the proportion equation
   116,969.08 : 161,415.33 = 65,981.92 : x
2. Step 2: Convert to fraction form
   116,969.08/161,415.33 = 65,981.92/x
3. Step 3: Cross multiply
   116,969.08x = 161,415.33 × 65,981.92
4. Step 4: Simplify right side
   116,969.08x = 10,650,493,390.83
5. Step 5: Solve for x
   x = 10,650,493,390.83/116,969.08
6. Step 6: Final answer
   x = 91,053.92