Finding the Fourth Proportional to 116,722.01, 161,074.62 and 65,734.88

Step by Step Solution

1. Step 1: Write the proportion equation
   116,722.01 : 161,074.62 = 65,734.88 : x
2. Step 2: Convert to fraction form
   116,722.01/161,074.62 = 65,734.88/x
3. Step 3: Cross multiply
   116,722.01x = 161,074.62 × 65,734.88
4. Step 4: Simplify right side
   116,722.01x = 10,588,220,011.37
5. Step 5: Solve for x
   x = 10,588,220,011.37/116,722.01
6. Step 6: Final answer
   x = 90,713.14