Finding the Fourth Proportional to 116,908.52, 161,327.70 and 65,919.83

Step by Step Solution

1. Step 1: Write the proportion equation
   116,908.52 : 161,327.70 = 65,919.83 : x
2. Step 2: Convert to fraction form
   116,908.52/161,327.70 = 65,919.83/x
3. Step 3: Cross multiply
   116,908.52x = 161,327.70 × 65,919.83
4. Step 4: Simplify right side
   116,908.52x = 10,634,693,751.65
5. Step 5: Solve for x
   x = 10,634,693,751.65/116,908.52
6. Step 6: Final answer
   x = 90,965.95