Finding the Fourth Proportional to 116,774.88, 161,116.00 and 65,769.79

Step by Step Solution

1. Step 1: Write the proportion equation
   116,774.88 : 161,116.00 = 65,769.79 : x
2. Step 2: Convert to fraction form
   116,774.88/161,116.00 = 65,769.79/x
3. Step 3: Cross multiply
   116,774.88x = 161,116.00 × 65,769.79
4. Step 4: Simplify right side
   116,774.88x = 10,596,565,590.47
5. Step 5: Solve for x
   x = 10,596,565,590.47/116,774.88
6. Step 6: Final answer
   x = 90,743.54