Finding the Fourth Proportional to 116,627.82, 160,933.95 and 65,643.18

Step by Step Solution

1. Step 1: Write the proportion equation
   116,627.82 : 160,933.95 = 65,643.18 : x
2. Step 2: Convert to fraction form
   116,627.82/160,933.95 = 65,643.18/x
3. Step 3: Cross multiply
   116,627.82x = 160,933.95 × 65,643.18
4. Step 4: Simplify right side
   116,627.82x = 10,564,216,247.96
5. Step 5: Solve for x
   x = 10,564,216,247.96/116,627.82
6. Step 6: Final answer
   x = 90,580.59