Finding the Fourth Proportional to 116,735.04, 161,085.24 and 65,745

Step by Step Solution

1. Step 1: Write the proportion equation
   116,735.04 : 161,085.24 = 65,745 : x
2. Step 2: Convert to fraction form
   116,735.04/161,085.24 = 65,745/x
3. Step 3: Cross multiply
   116,735.04x = 161,085.24 × 65,745
4. Step 4: Simplify right side
   116,735.04x = 10,590,549,103.80
5. Step 5: Solve for x
   x = 10,590,549,103.80/116,735.04
6. Step 6: Final answer
   x = 90,722.97