Finding the Fourth Proportional to 116,773.08, 161,147.34 and 65,786.42

Step by Step Solution

1. Step 1: Write the proportion equation
   116,773.08 : 161,147.34 = 65,786.42 : x
2. Step 2: Convert to fraction form
   116,773.08/161,147.34 = 65,786.42/x
3. Step 3: Cross multiply
   116,773.08x = 161,147.34 × 65,786.42
4. Step 4: Simplify right side
   116,773.08x = 10,601,306,591.12
5. Step 5: Solve for x
   x = 10,601,306,591.12/116,773.08
6. Step 6: Final answer
   x = 90,785.54